mail.firstclaes.se - robtex.com

mail.firstclaes.se

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:20d1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:9b23🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.32.209Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.155.35🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.32.209, 172.67.155.35
IPv6 hints2606:4700:3030::6815:20d1, 2606:4700:3037::ac43:9b23
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=126, name=cloudflare-ech.com

firstclaes.se

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:20d1🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:9b23🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.32.209Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.155.35🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSashley.ns.cloudflare.com ⭐
NSchad.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.32.209, 172.67.155.35
IPv6 hints2606:4700:3030::6815:20d1, 2606:4700:3037::ac43:9b23
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=126, name=cloudflare-ech.com
SOAashley.ns.cloudflare.comdns@cloudflare.com serial=2400090439

Previously MX for

firstclaes.se

Same first word

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mail.my
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DNS History

6 records (4 active, 2 former)

201520162017201820192020202120222023202420252026A104.21.32.209172.67.155.352606:4700:3030::6815:20d12606:4700:3037::ac43:9b23176.10.250.281.91.1.4
●A104.21.32.2092026-04-10 → 2026-05-10 · 3 obs
○ 2016-04-05 13:15:16
● 2026-04-10 09:06:24
● 2026-05-10 23:35:34
●A172.67.155.352026-04-10 → 2026-05-10 · 3 obs
○ 2016-04-05 13:15:16
● 2026-04-10 09:06:24
● 2026-05-10 23:35:34
○A176.10.250.22015-10-19 → 2016-04-05 · 5 obs
○ 2014-09-18 17:25:40
● 2015-10-19 14:35:56
● 2016-04-05 13:15:16
○ 2026-04-10 09:06:24
○ 2026-05-10 23:35:34
●A2606:4700:3030::6815:20d12026-04-10 → 2026-05-10 · 3 obs
○ 2016-04-05 13:15:16
● 2026-04-10 09:06:24
● 2026-05-10 23:35:34
●A2606:4700:3037::ac43:9b232026-04-10 → 2026-05-10 · 3 obs
○ 2016-04-05 13:15:16
● 2026-04-10 09:06:24
● 2026-05-10 23:35:34
○A81.91.1.42014-09-18 → 2014-09-18 · 3 obs
● 2014-09-18 17:25:40
○ 2015-10-19 14:35:56
○ 2026-05-10 23:35:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sef.ns.se, i.ns.se, b.ns.se, z.ns.se...-
firstclaes.sechad.ns.cloudflare.com, ashley.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.82

NS records: chad.ns.cloudflare.com, ashley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstclaes.se (unsigned zone)

⏱️ Timing

Total: 631ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.32.209, 172.67.155.35
AAAA22606:4700:3030::6815:20d1, 2606:4700:3037::ac43:9b23
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.firstclaes.se resolves to four IPs: 2606:4700:3030::6815:20d1, 2606:4700:3037::ac43:9b23, 104.21.32.209 and 172.67.155.35.

Other host names, for instance seongnamswe.com, knoxwritershouse.com, fiver-verification.receiving-payment.info, www.schweizer-auto-des-jahres.ch and pulseroulettestudio.com share IP numbers with mail.firstclaes.se.