fnu.dk

📜 Historical scan 2026-06-19 09:40:58  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fnu.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 23 May 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.pub.mailpod5-cph3.one.com, mx2.pub.mailpod5-cph3.one.com and 1 more. The zone is DNSSEC-signed and validates, has no 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#

2 records   96ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

1 records   115ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.98 3600s webcluster2.webpod16-cph3.one.com AS51468 — — — —

📧 MX Records#

3 records   126ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod5-cph3.one.com 185.164.14.54 mx1.pub.mailpod5-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod5-cph3.one.com 185.164.14.55 mx2.pub.mailpod5-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod5-cph3.one.com 185.164.14.56 mx3.pub.mailpod5-cph3.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records   87ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:111:8016:b2cf:8ee8:8fc1 3600s — AS51468 — — — —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   562ms
TXT Record
v=spf1 include:servers.mcsv.net ?all

✉️ SPF#

PolicyRecord (fnu.dk)
?all (neutral) v=spf1 include:servers.mcsv.net ?all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-22 03:36:26
www46.30.215.98 2a02:2350:5:111:8016:b2cf:8ee8:8fc1 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
k1 dkim.mcsv.net RSA · ~1024 bit below 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

  • warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

3 records   955ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod5-cph3.one.com DANE-EE · SPKI · SHA-256 D8DFA3FF2BFC8029FC54CAE58297D988…
SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com DANE-EE · SPKI · SHA-256 D8DFA3FF2BFC8029FC54CAE58297D988…
SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com DANE-EE · SPKI · SHA-256 D8DFA3FF2BFC8029FC54CAE58297D988…

🔐 DNSSEC#

174ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026061801
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-16 13:01:38
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2001-05-23
Expires2027-06-30 (250d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
96ms
A
115ms
MX
126ms
AAAA
87ms
TXT
562ms
CAA
90ms
HTTPS
125ms
TLSA
955ms
SOA
0ms
MTA-STS
121ms
DNSSEC
174ms
SRV
137ms
Total
2450ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 03:36:26 1091ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-20 22:08:40 1472ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-17 13:13:05 484ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-16 12:43:45 638ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-24 09:01:59 5446ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-23 14:10:45 720ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-20 06:01:23 1454ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-18 04:10:42 1070ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-17 00:39:15 2277ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-07 17:30:59 1049ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-19 23:06:51 8878ms 2 NS 1 A 3 MX 🔒 Secure
2026-07-16 15:02:05 8807ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-25 02:06:40 794ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-22 12:52:15 888ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 15:17:30 932ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-19 09:40:58 shown 2450ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-17 10:13:57 3255ms 2 NS 1 A 3 MX 🔒 Secure
2026-06-17 10:11:35 652ms 2 NS 1 A 3 MX 🔒 Secure
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