mail.d4.sk - robtex.com

mail.d4.sk

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:ba4c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3bf9🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.59.249Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.186.76🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.59.249, 172.67.186.76
IPv6 hints2606:4700:3031::ac43:ba4c, 2606:4700:3037::6815:3bf9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=11, name=cloudflare-ech.com

d4.sk

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:ba4c🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3bf9🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.59.249Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.186.76🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSathena.ns.cloudflare.com ⭐
NSsam.ns.cloudflare.com
MX_dc-mx.fee47808272a.d4.sk ⭐
TXTv=spf1 a mx ip4:93.184.70.95 ip4:93.184.70.95 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.59.249, 172.67.186.76
IPv6 hints2606:4700:3031::ac43:ba4c, 2606:4700:3037::6815:3bf9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=11, name=cloudflare-ech.com
SOAathena.ns.cloudflare.comdns@cloudflare.com serial=2402889597

Previously MX for

d4.sk

Same first word

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DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026A104.21.59.249172.67.186.762606:4700:3031::ac43:ba4c2606:4700:3037::6815:3bf9188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::93.184.70.95
●A104.21.59.2492026-02-16 → 2026-05-12 · 5 obs
○ 2017-01-01 04:56:34
● 2026-02-16 05:24:44
○ 2026-03-12 12:06:52
● 2026-04-25 21:41:16
● 2026-05-12 13:33:40
●A172.67.186.762026-02-16 → 2026-05-12 · 5 obs
○ 2017-01-01 04:56:34
● 2026-02-16 05:24:44
○ 2026-03-12 12:06:52
● 2026-04-25 21:41:16
● 2026-05-12 13:33:40
○A188.114.96.02026-03-12 → 2026-03-12 · 4 obs
○ 2026-02-16 05:24:44
● 2026-03-12 12:06:52
○ 2026-04-25 21:41:16
○ 2026-05-12 13:33:40
○A188.114.97.02026-03-12 → 2026-03-12 · 4 obs
○ 2026-02-16 05:24:44
● 2026-03-12 12:06:52
○ 2026-04-25 21:41:16
○ 2026-05-12 13:33:40
●A2606:4700:3031::ac43:ba4c2026-02-16 → 2026-05-12 · 5 obs
○ 2017-01-01 04:56:34
● 2026-02-16 05:24:44
○ 2026-03-12 12:06:52
● 2026-04-25 21:41:16
● 2026-05-12 13:33:40
●A2606:4700:3037::6815:3bf92026-02-16 → 2026-05-12 · 5 obs
○ 2017-01-01 04:56:34
● 2026-02-16 05:24:44
○ 2026-03-12 12:06:52
● 2026-04-25 21:41:16
● 2026-05-12 13:33:40
○A2a06:98c1:3120::2026-03-12 → 2026-03-12 · 4 obs
○ 2026-02-16 05:24:44
● 2026-03-12 12:06:52
○ 2026-04-25 21:41:16
○ 2026-05-12 13:33:40
○A2a06:98c1:3121::2026-03-12 → 2026-03-12 · 4 obs
○ 2026-02-16 05:24:44
● 2026-03-12 12:06:52
○ 2026-04-25 21:41:16
○ 2026-05-12 13:33:40
○A93.184.70.952015-05-29 → 2017-01-01 · 4 obs
● 2015-05-29 22:51:56
● 2017-01-01 04:56:34
○ 2026-02-16 05:24:44
○ 2026-05-12 13:33:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
skf.tld.sk, h.tld.sk, e.tld.sk, g.tld.sk-
d4.skathena.ns.cloudflare.com, sam.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.72

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for d4.sk (unsigned zone)

⏱️ Timing

Total: 517ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.186.76, 104.21.59.249
AAAA22606:4700:3037::6815:3bf9, 2606:4700:3031::ac43:ba4c
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

Four IP numbers are pointed to by mail.d4.sk: 2606:4700:3031::ac43:ba4c, 2606:4700:3037::6815:3bf9, 104.21.59.249 and 172.67.186.76.

other host names including www.d-s.us, ns2.d4.sk, vectraunitedoperations.digital, fzwww.jaagkashmir.com and feasty.co share IP numbers with mail.d4.sk.