www.gmatfix.com - robtex.com

www.gmatfix.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:1f2b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:aef4🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.31.43Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.174.244🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.31.43, 172.67.174.244
IPv6 hints2606:4700:3031::6815:1f2b, 2606:4700:3032::ac43:aef4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=237, name=cloudflare-ech.com

gmatfix.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:1f2b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:aef4🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.31.43Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.174.244🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkate.ns.cloudflare.com ⭐
NSsam.ns.cloudflare.com
MXmail.protonmail.ch ⭐
MXmailsec.protonmail.ch(20)
TXTprotonmail-verification=4550179a394cc0c32cc256ba515959f82d46fd58
TXTv=spf1 a mx:gmatfix.com include:_spf.protonmail.ch -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.31.43, 172.67.174.244
IPv6 hints2606:4700:3031::6815:1f2b, 2606:4700:3032::ac43:aef4
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=237, name=cloudflare-ech.com
SOAkate.ns.cloudflare.comdns@cloudflare.com serial=2409167417

Same first word

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DNS History

10 records (4 active, 6 former)

20192020202120222023202420252026A104.21.31.43172.67.174.2442606:4700:3031::6815:1f2b2606:4700:3032::ac43:aef4104.28.6.23104.28.7.232606:4700:30::681c:6172606:4700:30::681c:7172606:4700:3035::6815:1f2b2606:4700:3035::ac43:aef4
●A104.21.31.432026-02-16 → 2026-07-19 · 3 obs
○ 2018-11-07 14:22:30
● 2026-02-16 07:41:56
● 2026-07-19 23:36:14
○A104.28.6.232018-11-07 → 2018-11-07 · 3 obs
● 2018-11-07 14:22:30
○ 2026-02-16 07:41:56
○ 2026-07-19 23:36:14
○A104.28.7.232018-11-07 → 2018-11-07 · 3 obs
● 2018-11-07 14:22:30
○ 2026-02-16 07:41:56
○ 2026-07-19 23:36:14
●A172.67.174.2442026-02-16 → 2026-07-19 · 3 obs
○ 2018-11-07 14:22:30
● 2026-02-16 07:41:56
● 2026-07-19 23:36:14
○A2606:4700:30::681c:6172018-11-07 → 2018-11-07 · 3 obs
● 2018-11-07 14:22:30
○ 2026-02-16 07:41:56
○ 2026-07-19 23:36:14
○A2606:4700:30::681c:7172018-11-07 → 2018-11-07 · 3 obs
● 2018-11-07 14:22:30
○ 2026-02-16 07:41:56
○ 2026-07-19 23:36:14
●A2606:4700:3031::6815:1f2b2026-06-20 → 2026-07-19 · 3 obs
○ 2026-05-25 04:48:50
● 2026-06-20 20:09:50
● 2026-07-19 23:36:14
●A2606:4700:3032::ac43:aef42026-06-20 → 2026-07-19 · 3 obs
○ 2026-05-25 04:48:50
● 2026-06-20 20:09:50
● 2026-07-19 23:36:14
○A2606:4700:3035::6815:1f2b2026-02-16 → 2026-05-25 · 5 obs
○ 2018-11-07 14:22:30
● 2026-02-16 07:41:56
● 2026-05-25 04:48:50
○ 2026-06-20 20:09:50
○ 2026-07-19 23:36:14
○A2606:4700:3035::ac43:aef42026-02-16 → 2026-05-25 · 5 obs
○ 2018-11-07 14:22:30
● 2026-02-16 07:41:56
● 2026-05-25 04:48:50
○ 2026-06-20 20:09:50
○ 2026-07-19 23:36:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...-
gmatfix.comkate.ns.cloudflare.com, sam.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.141

NS records: kate.ns.cloudflare.com, sam.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gmatfix.com (unsigned zone)

⏱️ Timing

Total: 1106ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.174.244, 104.21.31.43
AAAA22606:4700:3032::ac43:aef4, 2606:4700:3031::6815:1f2b
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.gmatfix.com directs to four IP numbers, which are 104.21.31.43, 172.67.174.244, 2606:4700:3031::6815:1f2b and 2606:4700:3032::ac43:aef4.

Two other host names, along with matrack.de, oaifone.com and cmts.com.au, also share IP numbers with www.gmatfix.com.