mail.51qinxue.com - robtex.com

mail.51qinxue.com

DNSSEC⚠️ Not signed

51qinxue.com

DNSSEC🔒 Signed (DS record present)
A2606:4700:3031::ac43:de06🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:112d🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.17.45Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.222.6🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSclay.ns.cloudflare.com ⭐
NSizabella.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.17.45, 172.67.222.6
IPv6 hints2606:4700:3031::ac43:de06, 2606:4700:3033::6815:112d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=111, name=cloudflare-ech.com
SOAclay.ns.cloudflare.comdns@cloudflare.com serial=2403994232

Previously MX for

51qinxue.com

Same first word

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DNS History

6 records (0 active, 6 former)

20162017201820192020202120222023202420252026NSns5.xrnet.cnns6.xrnet.cnMXmail.51qinxue.comA103.43.135.183218.247.88.79CNAME51qinxue.com
○NSns5.xrnet.cn2015-11-26 → 2016-07-05 · 3 obs
● 2015-11-26 09:07:16
● 2016-07-05 08:04:24
○ 2026-05-14 16:49:34
○NSns6.xrnet.cn2015-11-26 → 2016-07-05 · 3 obs
● 2015-11-26 09:07:16
● 2016-07-05 08:04:24
○ 2026-05-14 16:49:34
○MXmail.51qinxue.com2015-11-26 → 2016-07-05 · 3 obs
● 2015-11-26 09:07:16
● 2016-07-05 08:04:24
○ 2026-05-14 16:49:34
○A103.43.135.1832015-07-23 → 2015-07-23 · 3 obs
● 2015-07-23 20:10:44
○ 2015-11-26 09:07:16
○ 2026-05-14 16:49:34
○A218.247.88.792015-11-26 → 2016-07-05 · 4 obs
○ 2015-07-23 20:10:44
● 2015-11-26 09:07:16
● 2016-07-05 08:04:24
○ 2026-05-14 16:49:34
○CNAME51qinxue.com2015-11-26 → 2016-07-05 · 3 obs
● 2015-11-26 09:07:16
● 2016-07-05 08:04:24
○ 2026-05-14 16:49:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net...-
51qinxue.comclay.ns.cloudflare.com, izabella.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.88

NS records: clay.ns.cloudflare.com, izabella.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 129ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (clay.ns.cloudflare.com, clay.ns.cloudflare.com, clay.ns.cloudflare.com...)