nierfeldt.dk

📜 Historical scan 2026-06-26 11:50:37  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

nierfeldt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 May 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.160 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a 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   700ms
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   217ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.111.240.160 3600s webcluster33.webpod11-cph3.one.com AS51468 One.com A/S 77.111.240.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   2163ms
PriorityTTLMail ServerIP addressesPTRASN
10 10798s mx1.pub.mailpod14-cph3.one.com 185.10.9.212 mx1.pub.mailpod14-cph3.one.com AS51468 One.com A/S
10 10798s mx2.pub.mailpod14-cph3.one.com 185.10.9.213 mx2.pub.mailpod14-cph3.one.com AS51468 One.com A/S
10 10798s mx3.pub.mailpod14-cph3.one.com 185.10.9.214 mx3.pub.mailpod14-cph3.one.com AS51468 One.com A/S
10 10798s mx4.pub.mailpod14-cph3.one.com 185.10.9.215 mx4.pub.mailpod14-cph3.one.com AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

1 records   670ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:102:8000:f8c7:e478:80d2 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   805ms
TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

PolicyRecord (nierfeldt.dk)
~all (soft fail) v=spf1 include:_custspf.one.com ~all

📨 DMARC#

PolicyRecord (_dmarc.nierfeldt.dk)
p=quarantine v=DMARC1; p=quarantine; rua=dmarc@nierfeldt.dk; ruf=dmarc@nierfeldt.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 2026-10-22 18:45:52
www77.111.240.160 2a02:2350:5:102:8000:f8c7:e478:80d2 (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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records   2392ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 F9CAE2DF0FCB54F04130769823BED77A…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 F9CAE2DF0FCB54F04130769823BED77A…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 F9CAE2DF0FCB54F04130769823BED77A…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com DANE-EE · SPKI · SHA-256 F9CAE2DF0FCB54F04130769823BED77A…

🔐 DNSSEC#

4244ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✗ Not found
Flagsfully validated

🏷️ SOA#

659ms
FieldValue
Serial2026062302
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-22 18:57:50
FieldValue
RegistrarONE.COM A/S
Registered1997-05-14
Expires2027-06-30 (247d)

🔗 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
700ms
A
217ms
MX
2163ms
AAAA
670ms
TXT
805ms
CAA
2151ms
HTTPS
658ms
TLSA
2392ms
SOA
659ms
MTA-STS
696ms
DNSSEC
4244ms
SRV
673ms
Total
7986ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 18:45:52 564ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-04 22:30:09 471ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-07 14:36:45 984ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-22 23:35:06 1069ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-09 00:43:17 1118ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-05 01:24:18 1056ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-29 04:37:23 755ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-26 11:50:37 shown 7986ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-18 04:08:50 734ms 2 NS 1 A 4 MX 🔒 Secure
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