firstclass.dk

📜 Historical scan 2026-10-04 17:20:29 · ← 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 114ms

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 165ms

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 163ms

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 160ms

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 614ms

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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.firstclass.dk	8_fT9TdsRR5qmd0QAjmTkgszEAcJbzY9LmCrLD8e6xQ

🔗 TLSA / DANE#

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

🔐 DNSSEC#

390ms

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

🏷️ SOA#

140ms

Field	Value
Serial	2026100400
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#

114ms

165ms

163ms

AAAA

160ms

TXT

614ms

CAA

194ms

HTTPS

125ms

TLSA

227ms

SOA

140ms

MTA-STS

287ms

DNSSEC

390ms

SRV

315ms

Total

2024ms

🕐 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 shown	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