cyf.dk

📜 Historical scan 2026-06-24 17:18:48  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cyf.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.39 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-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   252ms
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   227ms
IPTTLPTRASNISP / OrgCIDRCountryCity
46.30.215.39 3600s webcluster2.webpod15-cph3.one.com AS51468 One.com A/S 46.30.208.0/21 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   333ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod10-cph3.one.com 104.37.34.70 mx1.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod10-cph3.one.com 104.37.34.71 mx2.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod10-cph3.one.com 104.37.34.72 mx3.pub.mailpod10-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod10-cph3.one.com 104.37.34.73 mx4.pub.mailpod10-cph3.one.com AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover46.30.215.39
🔶 Autoconfig46.30.215.39

🔷 AAAA Records (IPv6)#

1 records   232ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:10e:8039:b93a:9135:f0ab 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#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

PolicyRecord (_dmarc.cyf.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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 2026-10-09 12:26:51
www46.30.215.10 2a02:2350:5:10e:54:2192:c370:f9f9 (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

🔗 TLSA / DANE#

4 records   240ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 411611ECE6466645A9E53512398A692D…
SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 411611ECE6466645A9E53512398A692D…
SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 411611ECE6466645A9E53512398A692D…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com DANE-EE · SPKI · SHA-256 411611ECE6466645A9E53512398A692D…

🔐 DNSSEC#

345ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

277ms
FieldValue
Serial2026060601
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-05 19:51:33
FieldValue
RegistrarONE.COM A/S
Registered1998-11-17
Expires2026-12-31 (74d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
252ms
A
227ms
MX
333ms
AAAA
232ms
TXT
679ms
CAA
226ms
HTTPS
235ms
TLSA
240ms
SOA
277ms
MTA-STS
238ms
DNSSEC
345ms
SRV
333ms
Total
2334ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-09 12:26:51 445ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-05 19:26:23 2021ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-07 09:49:33 609ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-04 04:06:16 577ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-27 09:13:21 784ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-06 08:39:17 954ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-16 00:02:48 6822ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-06 06:25:04 1029ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-04 21:32:07 1599ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-01 02:49:24 748ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-27 17:22:37 1683ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-24 17:18:48 shown 2334ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-20 02:43:00 2039ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-16 23:26:09 785ms 2 NS 1 A 4 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone