307.dk

📜 Historical scan 2026-06-21 11:56:20 · ← 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 105ms

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 110ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.251	2304s	linux338.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records#

7 records 106ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	21600s	aspmx.l.google.com	142.250.147.27 2a00:1450:4025:c03::1a	rd-in-f27.1e100.net rc-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	21600s	alt1.aspmx.l.google.com	142.250.147.26 2a00:1450:4025:c01::1b	rd-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	21600s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	21600s	aspmx2.googlemail.com	172.253.152.27 2a00:1450:4010:c22::1b	yulpptr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	21600s	aspmx3.googlemail.com	192.178.211.27 2404:6800:4000:1025::1a	lcbomp-in-f27.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	21600s	aspmx4.googlemail.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	21600s	aspmx5.googlemail.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-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 438ms

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#

307ms

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

🏷️ SOA#

113ms

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#

105ms

110ms

106ms

AAAA

147ms

TXT

438ms

CAA

102ms

HTTPS

113ms

TLSA

207ms

SOA

113ms

MTA-STS

191ms

DNSSEC

307ms

SRV

174ms

Total

1717ms

🕐 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	972ms	4 NS 1 A 7 MX	🔒 Secure
2026-06-21 11:56:20 shown	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