sif17.dk

📜 Historical scan 2026-07-18 05:11:30  ·  ← 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   30ms
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   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
78.156.110.209 43200s — AS39642 Sinal A/S 78.156.96.0/19 🇩🇰 Denmark Hammel

📧 MX Records#

1 records   30ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s sif17.dk 78.156.110.209 — AS39642 Sinal A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoversif17.dk → 78.156.110.209
🔶 Autoconfigsif17.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 CNAMEsif17.dk (all on sif17.dk)
www vs bare domainSame network
sif17.dk: 78.156.110.209 (AS39642)
www.sif17.dk: 78.156.110.209 (AS39642)
WildcardYes: any name under the zone resolves
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

TypeNameValue
CNAME _acme-challenge.sif17.dk sif17.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

2046ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026071701
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-12 06:43:55
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2000-06-15
Expires2027-06-30 (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).

DomainRegistrar
alland.dkPunktum dk A/S (direct)
basal.dkPunktum dk A/S (direct)
restartit.dkPunktum dk A/S (direct)
sabina.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
30ms
A
30ms
MX
30ms
AAAA
30ms
TXT
146ms
CAA
29ms
HTTPS
30ms
TLSA
47ms
SOA
0ms
MTA-STS
38ms
DNSSEC
2046ms
SRV
45ms
Total
2618ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 4743ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-18 05:11:30 shown 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
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