ofn.dk

📜 Historical scan 2026-06-17 13:06:28 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ofn.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 15 December 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.175.118.226 is hosted by Lyse Tele (AS29695) in Norway. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 7 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 78ms

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 106ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.175.118.226	—	226.51-175-118.customer.lyse.net	AS29695	Lyse Tele	51.174.0.0/15	🇳🇴 Norway	Oslo

📧 MX Records#

9 records 110ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	142.251.1.27 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b	lb-in-f27.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	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	—	alt3.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	—	alt4.aspmx.l.google.com	173.194.43.27 2607:f8b0:400e:c1e::1a	yudlsqd-in-f27.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	—	aspmx2.googlemail.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	—	aspmx3.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
20	—	aspmx4.googlemail.com	192.178.230.26 2404:6800:400b:c01b::1b	yunrtab-in-f26.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	—	aspmx5.googlemail.com	173.194.43.26 2607:f8b0:400e:c1e::1a	yudlsqd-in-f26.1e100.net yudlsqd-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 367ms

TXT Record
MS=ms92552201
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.ofn.dk)
p=reject	v=DMARC1; p=reject;rua=mailto:esben+dmarc@ofn.dk,mailto:h4w10bt4tq@rua.powerdmarc.com; ruf=mailto:h4w10bt4tq@ruf.powerdmarc.com;fo=1;

📬 MTA-STS#

324ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20251005
max_age	86400s
Policy MX	—

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:esben+dmarc@ofn.dk, mailto:h4w10bt4tq@ruf.powerdmarc.com

📜 CAA Records#

2 records 74ms

Flags	Tag	Value
0	iodef	mailto:esben@ofn.dk
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-22 18:55:11

www CNAME	diskstation2.ofn.dk (all on ofn.dk) → 51.175.118.226 2a01:79c:cebd:6ea9:211:32ff:fe8b:96c3 (AS29695)
www vs bare domain	Same network ofn.dk: 51.175.118.226 (AS29695) www.ofn.dk: 51.175.118.226 2a01:79c:cebd:6ea9:211:32ff:fe8b:96c3 (AS29695)
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

265ms

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

🏷️ SOA#

75ms

Field	Value
Serial	2025100403
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 2026-10-02 22:39:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-12-15
Expires	2032-12-31 (2261d)

📋 WHOIS#

⏱️ Lookup Timing#

78ms

106ms

110ms

AAAA

80ms

TXT

367ms

CAA

74ms

HTTPS

98ms

TLSA

348ms

SOA

75ms

MTA-STS

324ms

DNSSEC

265ms

SRV

0ms

Total

4439ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 18:55:11	1026ms	4 NS 1 A 9 MX	🔒 Secure
2026-10-21 17:36:44	970ms	4 NS 1 A 9 MX	🔒 Secure
2026-10-13 16:23:16	1396ms	4 NS 1 A 9 MX	🔒 Secure
2026-10-02 22:25:27	887ms	4 NS 1 A 9 MX	🔒 Secure
2026-09-23 20:19:29	1011ms	4 NS 1 A 9 MX	🔒 Secure
2026-06-17 13:06:28 shown	4439ms	4 NS 1 A 9 MX	🔒 Secure