5121edu.com - robtex.com

5121edu.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:b979🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:441b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.68.27Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.185.121🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelinore.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a99🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelinore.ns.cloudflare.com
A2803:f800:50::6ca2:c099🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelinore.ns.cloudflare.com
A2a06:98c1:50::ac40:2099🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelinore.ns.cloudflare.com
A108.162.192.153🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelinore.ns.cloudflare.com
A172.64.32.153🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelinore.ns.cloudflare.com
A173.245.58.153🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelinore.ns.cloudflare.com
NSterin.ns.cloudflare.com
A2606:4700:58::adf5:3bec🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterin.ns.cloudflare.com
A2803:f800:50::6ca2:c1ec🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRterin.ns.cloudflare.com
A2a06:98c1:50::ac40:21ec🇺🇸 Cloudflare2a06:98c1:50::/45
PTRterin.ns.cloudflare.com
A108.162.193.236🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterin.ns.cloudflare.com
A172.64.33.236🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterin.ns.cloudflare.com
A173.245.59.236🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterin.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.68.27, 172.67.185.121
IPv6 hints2606:4700:3030::ac43:b979, 2606:4700:3037::6815:441b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=19, name=cloudflare-ech.com
SOAelinore.ns.cloudflare.comdns@cloudflare.com serial=2408228089

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1783639447
rank #854775 globally
rank #377113 in the tld

Same first word

5121edu.com

DNS History

9 records (6 active, 3 former)

NSelinore.ns.cloudflare.comterin.ns.cloudflare.comns1.dns.comns2.dns.comA104.21.68.27172.67.185.1212606:4700:3030::ac43:b9792606:4700:3037::6815:441b192.186.45.121
●NSelinore.ns.cloudflare.com2026-07-04 → 2026-07-09 · 3 obs
○ 2026-05-30 04:10:42
● 2026-07-04 15:43:06
● 2026-07-09 23:37:28
○NSns1.dns.com2026-05-22 → 2026-05-30 · 4 obs
● 2026-05-22 07:07:04
● 2026-05-30 04:10:42
○ 2026-07-04 15:43:06
○ 2026-07-09 23:37:28
○NSns2.dns.com2026-05-22 → 2026-05-30 · 4 obs
● 2026-05-22 07:07:04
● 2026-05-30 04:10:42
○ 2026-07-04 15:43:06
○ 2026-07-09 23:37:28
●NSterin.ns.cloudflare.com2026-07-04 → 2026-07-09 · 3 obs
○ 2026-05-30 04:10:42
● 2026-07-04 15:43:06
● 2026-07-09 23:37:28
●A104.21.68.272026-07-04 → 2026-07-09 · 3 obs
○ 2026-05-30 04:10:42
● 2026-07-04 15:43:06
● 2026-07-09 23:37:28
●A172.67.185.1212026-07-04 → 2026-07-09 · 3 obs
○ 2026-05-30 04:10:42
● 2026-07-04 15:43:06
● 2026-07-09 23:37:28
○A192.186.45.1212026-05-22 → 2026-05-30 · 4 obs
● 2026-05-22 07:07:04
● 2026-05-30 04:10:42
○ 2026-07-04 15:43:06
○ 2026-07-09 23:37:28
●A2606:4700:3030::ac43:b9792026-07-04 → 2026-07-09 · 3 obs
○ 2026-05-30 04:10:42
● 2026-07-04 15:43:06
● 2026-07-09 23:37:28
●A2606:4700:3037::6815:441b2026-07-04 → 2026-07-09 · 3 obs
○ 2026-05-30 04:10:42
● 2026-07-04 15:43:06
● 2026-07-09 23:37:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net...-
5121edu.comelinore.ns.cloudflare.com, terin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.236

NS records: elinore.ns.cloudflare.com, terin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 5121edu.com (unsigned zone)

⏱️ Timing

Total: 148ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.68.27, 172.67.185.121
AAAA22606:4700:3030::ac43:b979, 2606:4700:3037::6815:441b
NS2elinore.ns.cloudflare.com, terin.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1elinore.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

5121edu.com resolves to four IP addresses: 104.21.68.27, 172.67.185.121, 2606:4700:3030::ac43:b979 and 2606:4700:3037::6815:441b.

chinesenamegenerate.com, www.zamenu.net, ikfc4u.org and two other host names share IP numbers with 5121edu.com.

Name Servers

DNS delegation for 5121edu.com points to two name servers: elinore.ns.cloudflare.com and terin.ns.cloudflare.com.

5121edu.com uses the same name servers as several other domains — among them qddaliedu.com, xn--klinikforortopdkirurgi-p6b.dk, nhyjms.com and two more.

5121edu.com has at least partial name server overlap with other domains, such as gpsgroup.eu.com, 366.net, foxford.org and two others.

It is common to see these name servers used together with name servers julio.ns.cloudflare.com and rosa.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

elinore.ns.cloudflare.com has IP addresses 108.162.192.153, 172.64.32.153 and 173.245.58.153, plus 3 other.

terin.ns.cloudflare.com has IP addresses 108.162.193.236, 172.64.33.236 and 173.245.59.236, plus 3 other.