A 记录(IPv4)
| 记录值 | TTL |
|---|---|
| 98.87.170.71 | 62 |
| 98.87.170.74 | 62 |
| 98.82.161.185 | 62 |
MX(邮件服务器)
| 优先级 | 邮件服务器 | TTL |
|---|---|---|
| 5 | amazon-smtp.amazon.com | 900 |
NS(权威服务器)
| 记录值 | TTL |
|---|---|
| ns-264.awsdns-33.com | 7200 |
| ns-1447.awsdns-52.org | 7200 |
| ns-521.awsdns-01.net | 7200 |
| ns-1707.awsdns-21.co.uk | 7200 |
TXT(文本记录)
| 记录内容 | TTL |
|---|---|
| uber-domain-verification=01e9f567-7b84-45dd-9326-53992a028b40 | 900 |
| docker-verification=1779f74e-699a-4d8b-acdc-ce242d73559f | 900 |
| pstk-verification-a938892542ffacd51af9339e4755dc1a | 900 |
| stripe-verification=26EFABF97D624D7F4F3C062366A04C4B1399841F23F275DD81E58D00A981979C | 900 |
| stripe-verification=35A865E5A20C09CD0288F87ACA29DE73FF8A704D21F7310A5AAFF4CB63062E81 | 900 |
| google-site-verification=D0RwRb_QApkpApKTFaFlRwbm_yrkey0uokKw0wQUIdk | 900 |
| uber-domain-verification=72ffdffb-d431-452c-932e-cd1030d1eb46 | 900 |
| 00DcX000002xu6h=1TBcX00000000Xt | 900 |
| sending_domain949422=43d714838567583460e7720e6049505edb8e25c1ef4321419d41bc5255db7ba5 | 900 |
| ZOOM_verify_ARI4AiKALCcjulAUZNwR8S | 900 |
| uber-domain-verification=0ddb4c64-175c-4e7a-8a7a-f552034222e8 | 900 |
| atlassian-domain-verification=ZT4AapXgobCpXIWoNcd7gtMjZyOUdr4EDFMnFUWrqqqgdaQVbDvoGpRaIwj/tgPH | 900 |
| MS=4B600B22799EB2CAC0D8FF0A3A3CAECA5EE2BF3A | 900 |
| vizcom-domain-verification-Otrns5=NtkDXOBddZZnm9ETuwyrltTdl | 900 |
| autodesk-domain-verification=dmryiygGOGBJFJFVo5Bl | 900 |
| kahoot-domain-verification=0a79e1c18457eed9572b28cd75792e4bbd220bc69b62d707c1f88e53956348d6 | 900 |
| sending_domain1003771=f1303d8ee3b86e39db2703b11feb83e1e8b712a9ffc64c3d56505192e5b3bf4f | 900 |
| neat-pulse-domain-verification-QgvLWLN=f37f2998-0bb3-493b-a3aa-c4ff8f3dce08 | 900 |
| ZOOM_verify_6OUC1znUonKMCoyMMGyFfX | 900 |
| pardot326621=b26a7b44d7c73d119ef9dfd1a24d93c77d583ac50ba4ecedd899a9134734403b | 900 |
| facebook-domain-verification=d9u57u52gylohx845ogo1axzpywpmq | 900 |
| sending_domain1003771=199bc63a54ace5d8d5c5d08286af86d7049b4afacb5ef7decd6b22cf9e8d5efb | 900 |
| stripe-verification=79C640ED20153B836A623F16A3DCF65E2072948FB80C42D19300514DADF94EC5 | 900 |
| v=spf1 include:spf1.amazon.com include:spf2.amazon.com include:amazonses.com -all | 900 |
| apple-domain-verification=4wbNaeWvAH0pU1yi | 900 |
| sending_domain608861=81b0d52095dae60d604e7cbea5e58e1d842f7d950d6673a43feae339b664ca31 | 900 |
| stripe-verification=1D421397AAEC571CCBD9F25DDC90F00EDEBC3E74F4047270EC9A13B784579E34 | 900 |
| apple-domain-verification=_j3fIZD8uuYetbG64YKTEpz-8mwyvYrLRqM5CoVZVTk | 900 |
| sending_domain197572=555e96ed2e576ced81c89f7001740cb72f9c66aeb136d0d05734aad625766bc1 | 900 |
| stripe-verification=65883709F0B36AB2B73FFC870338AE9F817315DDBB1CAB28910F074F4A8DE1EC | 900 |
| cisco-ci-domain-verification=1b256bd11daa486ba2fa405d2d5de70f75feb6757dd8993ca8de685a7dfea1df | 900 |
| canva-site-verification=WhUvTbfe6tUQWmIXnQifGA | 900 |
| stripe-verification=8E217BE0FF12B50596BD78EEA3F81E62C6C7A2AC78FBD46DAD95B7D21BA2F8BF | 900 |
| stripe-verification=6a5d107aa37465eac2101bb1c725b02072689a4fa7bd38b455970baac4979a17 | 900 |
| sending_domain949422=99a7b44052aefc4dec2abf56189160824664d2fdac00ca962f4455be62b51d56 | 900 |
| sending_domain949422=1fa3e2bc8017cffb9de6a77aa0daa0ccb4e756a5851fb421d72482abf6d4216c | 900 |
| TS1760027 | 900 |
| stripe-verification=a5c01aa4d732f4b93154d67983d77982ef1a2db73fecfd4bcd64e224d3ab4075 | 900 |
| sending_domain1014172=003846595520e80ec84e8cc47c07e3a71afb855fc743bb92cdec93f88c7a4029 | 900 |
| apple-domain-verification=dVkKZnu17XS0EN2X | 900 |
| uber-domain-verification=5f5cc242-4dbe-4871-b726-bbbe085ff053 | 900 |
| uber-domain-verification=7a35217f-6956-41a0-be5c-a28ea2646964 | 900 |
| canva-site-verification=Hksh9WEUPWP13_SEU1mPMA | 900 |
| pendo-domain-verification=ecbe1a51-954d-4202-ab86-d15e04b96769 | 900 |
| stripe-verification=a27edc0da55836ea6bb7eac592bf2ca8e246eb652608d54493119df7df005afc | 900 |
| lucidlink-verification=QG752KJ3CMZAZTZ3ERMX1AXMCG | 900 |
| sending_domain229492=7cde83fbc5246557c64d9d9ba79f0d11f7ba9eb6127f60451a9aa6f8dead4381 | 900 |
| brevo-code:9be7f7c39958d253a31de6593fa831bc | 900 |
| stripe-verification=76924B623B7105057C67D4F5EAE19F65EE8BD92635581BCACA2CCACA4D38FE1B | 900 |
| stripe-verification=C7ABA7B41F5AC26E3C397015A34CD46ACD2130DC8DAAFA7F59AAEFEDBC3FA517 | 900 |
| bluebeam-verification=042eaxvbk65qgh5qom1ajtm4eyuo1k | 900 |
| google-site-verification=G_-mXb0ZYjjGkQVGjpOOB2deSOaVdxVj4i4vozJTREs | 900 |
| sending_domain229492=341509a116ea4311fcb2e489303bf09a139b10ce9b90e5029d2677055cb4dc89 | 900 |
| liveramp-site-verification=jZJKgMEQ_1mdjMhKj02iqNACZ-NJHRWhCEQdQ_OuCMo | 900 |
| box-domain-verification=ffea95cd0e0d61c302198367155b07e74fd534fa1d867662dc9bf9969b6f535d | 900 |
| google-site-verification=14WGW2MdNMxchG8PlinF7LgqqE0OwwHqOq0HKhb7rDQ | 900 |
| google-site-verification=NV91qEfNgqDZOPzwlhXE-KtDUfCBSNgAsdxaFebyh80 | 900 |
| sending_domain608861=d33a88e8540c33a1217138cf8a25879734bd35673bb7cfbd639f95c550b33ec4 | 900 |
| spf2.0/pra include:spf1.amazon.com include:spf2.amazon.com include:amazonses.com -all | 900 |
| stripe-verification=B0AD8DC1918B8A717E5B6A29C2E04594A9872AB05F8DA24CB762BBA0A0487BC6 | 900 |
| dell-technologies-domain-verification=amazon.com_2dc4b285-482d-4948-bf92-16e698f2cab9_1738858526 | 900 |
| stripe-verification=45f746e3b195198f419af3f685fdf217532ce552b4b47070b3caefe325559a67 | 900 |
| DomainVerification=6BSORJ4NP9YO8U8EZFZDKIJVIL6TCYG69G7CXADQ8QOV3K8883K86XT2J9EX5R0J | 900 |
| sinch-domain-verification=c484be93-e6bc-4440-8984-621eef43d491 | 900 |
| wrike-verification=MzI3NzM2ODo2NDk5MjE4NjQ2MWJmOTEwMGMxM2MzNzJmNWJlY2U5ZDU4MmVlNzQ2NWU4MTY5OWJjMjlmYjQ4Mjc5M2JiMzky | 900 |
SOA(起始授权)
| 主服务器 | dns-external-route53.us-east-1.amazonaws.com |
| 管理员邮箱 | root@amazon@com |
| 序列号 | 201 |
| 刷新 / 重试 | 3600 / 900 秒 |
| 过期 / 最小 TTL | 604800 / 0 秒 |
邮件与安全
| MX 邮件服务器 |
5 amazon-smtp.amazon.com › |
| SPF |
v=spf1 include:spf1.amazon.com include:spf2.amazon.com include:amazonses.com -all 已配置:声明了允许代表本域发信的服务器 |
| DMARC | v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected] |
NS 与解析服务商
常见问题
什么是 DNS 记录?
DNS 是互联网的「通讯录」:输入域名,由它查出对应的服务器地址。记录就是这个通讯录里的一条条条目,不同类型承担不同职责 —— A 管地址、MX 管邮件、NS 管由谁来回答解析。
一个域名通常同时存在多种记录,本站结果页会按类型分开列出,并标注每条记录的 TTL(缓存有效期)。
A、AAAA、CNAME 有什么区别?
A 记录把域名指向一个 IPv4 地址,AAAA 记录指向 IPv6 地址,两者可以同时存在,让站点同时支持两种网络。
CNAME 是别名:把域名指向另一个域名,再由后者继续解析。CDN 与云服务普遍用 CNAME 接入,所以有 CNAME 的域名,最终 IP 由服务商动态决定。
按规范,CNAME 不能与其它记录(除 DNSSEC 相关外)共存于同一个名字上。
MX、SPF、DMARC 是做什么的?
MX 指明该域名的邮件由哪些服务器接收,是收信的关键记录;域名不配 MX 就无法正常收邮件。
SPF(写在 TXT 记录里)声明「哪些服务器有权代表本域发信」,收件方据此判断来信是否伪造。DMARC 则进一步规定「伪造邮件该怎么处理」(放行、隔离还是拒收),并让域名所有者收到报告。
两者都缺失时,别人可以冒用你的域名发信而几乎不受惩罚,因此邮件服务商都会要求配置。
为什么有些记录查不到?
查不到通常有三种原因:一是该域名确实没有配置这种记录(例如纯网站域名没有 MX);二是记录刚修改、还没传播到公共解析器;三是域名本身不存在或已过期。
解析结果受 TTL 影响会有缓存延迟,正常范围是几分钟到几小时。本站结果页点右上角「重新解析」可强制刷新,但短时间内重复刷新会被冷却限制。
NS 记录和服务商识别有什么用?
NS 记录指明这个域名由哪台权威 DNS 服务器负责解析,它通常属于某个云厂商或域名服务商。看到 dnspod.net 就知道用的是腾讯云 DNSPod,看到 cloudflare.com 就是 Cloudflare。
判断一个站点的基础设施时,NS 服务商往往能说明它的域名与解析托管在哪里。