307.dk

📜 Historical scan 2026-06-26 18:51:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

307.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 29 July 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.251 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 28ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.251	43200s	linux338.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

7 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	2a00:1450:4010:c02::1a 2a00:1450:4010:c02::1a 64.233.164.26	le-in-x1a.1e100.net le-in-f26.1e100.net lf-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx4.googlemail.com	192.178.230.26 2404:6800:400b:c01b::1a	yunrtab-in-f26.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx5.googlemail.com	173.194.43.26 2607:f8b0:400e:c1e::1b	yudlsqd-in-f26.1e100.net yudlsqd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	307.dk → 307.dk.
🔶 Autoconfig	307.dk → 307.dk.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 134ms

TXT Record
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (307.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.307.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=allan@307.dk

📬 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 2026-10-12 21:00:12

www CNAME	307.dk (all on 307.dk) → 93.191.156.251 (AS48854)
www vs bare domain	Same network 307.dk: 93.191.156.251 (AS48854) www.307.dk: 93.191.156.251 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.307.dk	307.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

52ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

26ms

Field	Value
Serial	2022020304
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-08 01:56:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-07-29
Expires	2029-10-31 (1110d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

28ms

33ms

AAAA

32ms

TXT

134ms

CAA

29ms

HTTPS

26ms

TLSA

155ms

SOA

26ms

MTA-STS

36ms

DNSSEC

52ms

SRV

34ms

Total

972ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 21:00:12	2471ms	4 NS 1 A 7 MX	🔒 Secure
2026-10-09 12:30:16	651ms	4 NS 1 A 7 MX	🔒 Secure
2026-10-02 02:31:23	678ms	4 NS 1 A 7 MX	🔒 Secure
2026-10-01 02:27:23	841ms	4 NS 1 A 7 MX	🔒 Secure
2026-09-27 20:38:16	790ms	4 NS 1 A 7 MX	🔒 Secure
2026-08-27 06:28:19	960ms	4 NS 1 A 7 MX	🔒 Secure
2026-06-29 08:51:09	960ms	4 NS 1 A 7 MX	🔒 Secure
2026-06-26 18:51:30 shown	972ms	4 NS 1 A 7 MX	🔒 Secure
2026-06-21 11:56:20	1717ms	4 NS 1 A 7 MX	🔒 Secure
2026-06-21 04:30:08	1111ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 23:43:42	1144ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 12:42:16	961ms	4 NS 1 A 7 MX	🔒 Secure