htnspe.courses - robtex.com

htnspe.courses

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:1288🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:b625🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.18.136Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.182.37🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScullen.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c5b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcullen.ns.cloudflare.com
A2803:f800:50::6ca2:c35b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcullen.ns.cloudflare.com
A2a06:98c1:50::ac40:235b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcullen.ns.cloudflare.com
A108.162.195.91🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcullen.ns.cloudflare.com
A162.159.44.91Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcullen.ns.cloudflare.com
A172.64.35.91🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcullen.ns.cloudflare.com
NSmelina.ns.cloudflare.com
A2606:4700:50::a29f:26b8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelina.ns.cloudflare.com
A2803:f800:50::6ca2:c2b8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmelina.ns.cloudflare.com
A2a06:98c1:50::ac40:22b8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmelina.ns.cloudflare.com
A108.162.194.184🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelina.ns.cloudflare.com
A162.159.38.184Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelina.ns.cloudflare.com
A172.64.34.184🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmelina.ns.cloudflare.com
TXTgoogle-site-verification=_JzI2oQOoonlMRO-CfthlfQO2aKynfc_vqnUNW7JO40
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.18.136, 172.67.182.37
IPv6 hints2606:4700:3031::6815:1288, 2606:4700:3036::ac43:b625
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=58, name=cloudflare-ech.com
SOAcullen.ns.cloudflare.comdns@cloudflare.com serial=2409681350

courses

DNSSEC🔒 Signed (DS record present)
NSa.nic.courses ⭐
NSb.nic.courses
NSc.nic.courses
NSx.nic.courses
NSy.nic.courses
NSz.nic.courses
SOAa.nic.coursesadmin@tldns.godaddy serial=1786349074
⚠️ On DNS blocklist: tif
⚠️ On DNS blocklist: spam-tlds

Same first word

htnspe.courses

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DNS History

10 records (6 active, 4 former)

NScullen.ns.cloudflare.commelina.ns.cloudflare.comA104.21.18.136172.67.182.372606:4700:3031::6815:12882606:4700:3036::ac43:b625188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NScullen.ns.cloudflare.com2026-07-26 → 2026-08-10 · 2 obs
● 2026-07-26 13:18:08
● 2026-08-10 09:13:52
●NSmelina.ns.cloudflare.com2026-07-26 → 2026-08-10 · 2 obs
● 2026-07-26 13:18:08
● 2026-08-10 09:13:52
●A104.21.18.1362026-08-10 → 2026-08-10 · 2 obs
○ 2026-07-26 13:18:08
● 2026-08-10 09:13:52
●A172.67.182.372026-08-10 → 2026-08-10 · 2 obs
○ 2026-07-26 13:18:08
● 2026-08-10 09:13:52
○A188.114.96.02026-07-26 → 2026-07-26 · 2 obs
● 2026-07-26 13:18:08
○ 2026-08-10 09:13:52
○A188.114.97.02026-07-26 → 2026-07-26 · 2 obs
● 2026-07-26 13:18:08
○ 2026-08-10 09:13:52
●A2606:4700:3031::6815:12882026-08-10 → 2026-08-10 · 2 obs
○ 2026-07-26 13:18:08
● 2026-08-10 09:13:52
●A2606:4700:3036::ac43:b6252026-08-10 → 2026-08-10 · 2 obs
○ 2026-07-26 13:18:08
● 2026-08-10 09:13:52
○A2a06:98c1:3120::2026-07-26 → 2026-07-26 · 2 obs
● 2026-07-26 13:18:08
○ 2026-08-10 09:13:52
○A2a06:98c1:3121::2026-07-26 → 2026-07-26 · 2 obs
● 2026-07-26 13:18:08
○ 2026-08-10 09:13:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coursesz.nic.courses, c.nic.courses, x.nic.courses, a.nic.courses...12 records
htnspe.coursescullen.ns.cloudflare.com, melina.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.91

NS records: cullen.ns.cloudflare.com, melina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for htnspe.courses (unsigned zone)

⏱️ Timing

Total: 728ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.182.37, 104.21.18.136
AAAA22606:4700:3031::6815:1288, 2606:4700:3036::ac43:b625
NS2cullen.ns.cloudflare.com, melina.ns.cloudflare.com
TXT1google-site-verification=_JzI2oQOoonlMRO
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cullen.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (z.nic.courses, y.nic.courses, x.nic.courses...)

Analysis

IP Addresses

htnspe.courses points to the four IP addresses 104.21.18.136, 172.67.182.37, 2606:4700:3031::6815:1288 and 2606:4700:3036::ac43:b625.

Two other host names, along with panadolqq.com, dashsboard-ally.com and corevalue.com.au, also share IP numbers with htnspe.courses.

Name Servers

htnspe.courses has two authoritative name servers — cullen.ns.cloudflare.com and melina.ns.cloudflare.com.

htnspe.courses shares its NS records with other domains, for example aprilburton.top, fzux.com, lmgeyw.qpon and two others.

At least some of htnspe.courses's name servers are shared with other domains, for example enbu.ie, librariesaotearoa.org.nz, epiclemon.com and two more.

These name servers tend to be used in conjunction with the name servers elma.ns.cloudflare.com.

DNS names with 6 IP addresses:

cullen.ns.cloudflare.com points to 108.162.195.91, 162.159.44.91, 172.64.35.91 and 3 other IP addresses.

melina.ns.cloudflare.com points to 108.162.194.184, 162.159.38.184, 172.64.34.184 and 3 other IP addresses.