firstclass.dk

📜 Historical scan 2026-08-23 03:13:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

firstclass.dk is a .dk domain served by 4 nameservers (ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk and 1 more). It was registered on 8 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.76.168.29 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.firstclass.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nordicway.dk	2a01:4f8:1c1a:a1e7::1 91.98.140.195	— static.195.140.98.91.clients.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.nordicway.dk	2a01:4f8:c012:4db6::1 49.13.80.249	— static.249.80.13.49.clients.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns3.nordicway.dk	2a01:4f8:c2c:d3c0::1 78.47.45.64	ns3.nordicway.dk ns3.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns4.nordicway.dk	2a01:4f8:c010:24a2::1 78.47.56.84	ns4.nordicway.dk ns4.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.76.168.29	3600s	cp15.nordicway.dk	AS24940	Hetzner Online GmbH	144.76.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records#

1 records 96ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mail.firstclass.dk	144.76.168.29	cp15.nordicway.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)#

1 records 61ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:200:442e::2	3600s	cp15.nordicway.dk	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 324ms

TXT Record
v=spf1 +a +mx +ip4:144.76.168.29 include:relay.mailchannels.net ~all

✉️ SPF#

Policy	Record (firstclass.dk)
~all (soft fail)	v=spf1 +a +mx +ip4:144.76.168.29 include:relay.mailchannels.net ~all

📨 DMARC#

Policy	Record (_dmarc.firstclass.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-24 06:17:01

www CNAME	firstclass.dk (all on firstclass.dk) → 144.76.168.29 2a01:4f8:200:442e::2 (AS24940)
www vs bare domain	Same network firstclass.dk: 144.76.168.29 2a01:4f8:200:442e::2 (AS24940) www.firstclass.dk: 144.76.168.29 2a01:4f8:200:442e::2 (AS24940)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

105ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2026082206
Primary NS (MNAME)	ns1.nordicway.dk
Responsible (RNAME)	server@nordicway.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-21 20:15:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2026-05-08
Expires	2027-05-07 (194d)

📋 WHOIS#

⏱️ Lookup Timing#

35ms

53ms

96ms

AAAA

61ms

TXT

324ms

CAA

62ms

HTTPS

70ms

TLSA

101ms

SOA

0ms

MTA-STS

99ms

DNSSEC

105ms

SRV

106ms

Total

1291ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 06:17:01	1279ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-23 04:28:33	588ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-21 19:56:42	728ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-20 12:41:49	536ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-19 12:12:37	1625ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-18 10:46:07	782ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-16 08:49:40	1406ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-14 04:44:24	1944ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-13 01:25:13	587ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-11 00:28:55	1242ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-09 23:23:46	720ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-08 18:10:15	2388ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-07 18:02:07	2111ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-06 17:54:33	547ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-05 17:25:06	816ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-04 17:20:29	2024ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-03 17:17:33	1815ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-02 17:16:03	750ms	4 NS 1 A 1 MX	🔓 Insecure
2026-10-01 17:14:42	966ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-30 17:07:17	1338ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-29 16:55:33	834ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-28 16:44:27	715ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-27 16:34:06	746ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-25 16:01:51	805ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-24 15:40:16	758ms	4 NS 1 A 1 MX	🔓 Insecure