ofn.dk

📜 Historical scan 2026-10-02 22:25:27  ·  ← 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   39ms
NameserverIP addressesPTRASN / 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   19ms
IPTTLPTRASNISP / OrgCIDRCountryCity
51.175.118.226 3600s 226.51-175-118.customer.lyse.net AS29695 Lyse Tele 51.174.0.0/15 🇳🇴 Norway Oslo

📧 MX Records#

9 records   39ms
PriorityTTLMail ServerIP addressesPTRASN
1 3600s aspmx.l.google.com 2a00:1450:4010:c08::1b
2a00:1450:4010:c08::1b
74.125.205.27		 lg-in-f27.1e100.net
lg-in-x1b.1e100.net
le-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
5 3600s alt1.aspmx.l.google.com 192.178.158.27
2404:6800:4013:813::1a		 lcdels-in-f27.1e100.net
lcdels-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
5 3600s alt2.aspmx.l.google.com 173.194.41.26
173.194.41.26
2404:6800:4001:c01::1a		 yukulwh-in-f26.1e100.net
mad01s14-in-f26.1e100.net
yukulwh-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
10 3600s alt3.aspmx.l.google.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
10 3600s alt4.aspmx.l.google.com 108.177.125.26
2404:6800:4008:c01::1a		 tp-in-f26.1e100.net
tp-in-f26.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 3600s aspmx2.googlemail.com 192.178.158.26
2404:6800:4013:813::1b		 lcdels-in-f26.1e100.net
lcdels-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
20 3600s aspmx3.googlemail.com 173.194.41.26
173.194.41.26
2404:6800:4001:c01::1b		 yukulwh-in-f26.1e100.net
mad01s14-in-f26.1e100.net
yukulwh-in-f27.1e100.net		 AS15169 Google LLC
AS15169 Google LLC
AS15169 Google LLC
20 3600s aspmx4.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
20 3600s aspmx5.googlemail.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

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverofn.dk → 51.175.118.226
🔶 Autoconfigofn.dk → 51.175.118.226

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   161ms
TXT Record
MS=ms92552201
v=spf1 include:_spf.google.com ~all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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#

149ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20251005
max_age86400s
Policy MXaspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com

📈 TLSRPT#

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

📜 CAA Records#

2 records   59ms
FlagsTagValue
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 CNAMEdiskstation2.ofn.dk (all on ofn.dk)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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#

TypeNameValue
CNAME _acme-challenge.ofn.dk ofn.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

87ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

34ms
FieldValue
Serial2026100100
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-02 22:39:29
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2003-12-15
Expires2032-12-31 (2261d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
19ms
MX
39ms
AAAA
35ms
TXT
161ms
CAA
59ms
HTTPS
36ms
TLSA
121ms
SOA
34ms
MTA-STS
149ms
DNSSEC
87ms
SRV
66ms
Total
887ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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 4439ms 4 NS 1 A 9 MX 🔒 Secure
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