sif17.dk

📜 Historical scan 2026-08-05 02:34:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sif17.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 June 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.156.110.209 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by sif17.dk. The zone is DNSSEC-signed and validates, has no 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#

2 records 32ms

Nameserver	IP addresses	PTR	ASN / 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 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
78.156.110.209	43200s	—	AS39642	Sinal A/S	78.156.96.0/19	🇩🇰 Denmark	Hammel

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	sif17.dk	78.156.110.209	—	AS39642 Sinal A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	sif17.dk → 78.156.110.209
🔶 Autoconfig	sif17.dk → 78.156.110.209

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 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 2026-10-12 06:23:30

www CNAME	sif17.dk (all on sif17.dk) → 78.156.110.209 (AS39642)
www vs bare domain	Same network sif17.dk: 78.156.110.209 (AS39642) www.sif17.dk: 78.156.110.209 (AS39642)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.sif17.dk	sif17.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

24ms

Field	Value
Serial	2026071701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-12 06:43:55

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-06-15
Expires	2027-06-30 (252d)

🔗 Same registrant#

4 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).

Domain	Registrar
alland.dk	Punktum dk A/S (direct)
basal.dk	Punktum dk A/S (direct)
restartit.dk	Punktum dk A/S (direct)
sabina.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

34ms

AAAA

30ms

TXT

155ms

CAA

31ms

HTTPS

32ms

TLSA

60ms

SOA

24ms

MTA-STS

43ms

DNSSEC

62ms

SRV

48ms

Total

4743ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 06:23:29	1559ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 12:23:39	823ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 07:26:21	791ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 00:17:42	1033ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-02 02:49:51	703ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 05:52:25	847ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 12:46:38	3589ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-05 02:34:42 shown	4743ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 05:11:30	2618ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 04:02:10	885ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 11:34:31	635ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 07:08:52	724ms	2 NS 1 A 1 MX	🔒 Secure