sfk-byg.dk

📜 Historical scan 2026-07-03 18:35:18  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sfk-byg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 September 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.179 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod9-cph3.one.com, mx2.pub.mailpod9-cph3.one.com and 2 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   38ms
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   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.111.240.179 3600s webcluster52.webpod11-cph3.one.com AS51468 One.com A/S 77.111.240.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   37ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.pub.mailpod9-cph3.one.com 185.164.14.118 mx1.pub.mailpod9-cph3.one.com AS51468 One.com A/S
10 10800s mx2.pub.mailpod9-cph3.one.com 185.164.14.119 mx2.pub.mailpod9-cph3.one.com AS51468 One.com A/S
10 10800s mx3.pub.mailpod9-cph3.one.com 185.164.14.120 mx3.pub.mailpod9-cph3.one.com AS51468 One.com A/S
10 10800s mx4.pub.mailpod9-cph3.one.com 185.164.14.124 mx4.pub.mailpod9-cph3.one.com AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover77.111.240.179
🔶 Autoconfig77.111.240.179

🔷 AAAA Records (IPv6)#

1 records   41ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:102:809a:5238:ed0d:51b3 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#

✗ 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 2026-10-19 18:28:53
www77.111.240.179 2a02:2350:5:102:809a:5238:ed0d:51b3 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

4 records   96ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.pub.mailpod9-cph3.one.com DANE-EE · SPKI · SHA-256 5D2162F5CED0ACD2C3D63E5582045A6C…
SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com DANE-EE · SPKI · SHA-256 5D2162F5CED0ACD2C3D63E5582045A6C…
SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com DANE-EE · SPKI · SHA-256 5D2162F5CED0ACD2C3D63E5582045A6C…
SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com DANE-EE · SPKI · SHA-256 5D2162F5CED0ACD2C3D63E5582045A6C…

🔐 DNSSEC#

109ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026070303
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 20:14:16
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2020-09-02
Expires2027-09-30 (342d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
38ms
A
45ms
MX
37ms
AAAA
41ms
TXT
157ms
CAA
39ms
HTTPS
36ms
TLSA
96ms
SOA
0ms
MTA-STS
56ms
DNSSEC
109ms
SRV
63ms
Total
792ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-05 20:06:58 885ms 2 NS 1 A 3 MX 🔒 Secure
2026-10-04 20:03:18 229ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-03 20:01:38 138ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-02 20:00:38 303ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-01 19:59:32 1779ms 1 NS 0 A 0 MX ❓ Unknown
2026-09-29 19:31:46 529ms 2 NS 1 A 3 MX 🔒 Secure
2026-09-25 06:47:51 734ms 2 NS 1 A 3 MX 🔒 Secure
2026-09-07 09:16:32 677ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-28 00:03:20 1083ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-08 17:32:37 1138ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-04 21:38:09 6549ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-03 18:35:18 shown 792ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-23 23:44:19 671ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-20 07:50:58 802ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-17 12:02:15 873ms 2 NS 1 A 4 MX 🔒 Secure
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