sulkjaer.dk

📜 Historical scan 2026-06-24 17:44:52  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sulkjaer.dk is a .dk domain served by 3 nameservers (ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk). It was registered on 7 January 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.185.216 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by he.hostonline.dk, mx-backup.hostonline.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#

3 records   38ms
NameserverIP addressesPTRASN / ISP
ns4.hostonline.dk 217.195.185.243
2a02:188:6004:14::10		 ns4.hostonline.dk
ns4.hostonline.dk		 AS31027 GlobalConnect A/S
AS31027 GlobalConnect A/S
ns5.hostonline.dk 217.195.185.244
2a02:188:6004:14::11		 ns5.hostonline.dk
ns5.hostonline.dk		 AS31027 GlobalConnect A/S
AS31027 GlobalConnect A/S
ns6.hostonline.dk 85.191.126.85 ns6.hostonline.dk AS204274 AURA Fiber A/S

🌍 A Records#

1 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
217.195.185.216 300s webhotel08.hostonline.dk AS31027 GlobalConnect A/S 217.195.176.0/20 🇩🇰 Denmark —

📧 MX Records#

2 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
10 43200s he.hostonline.dk 217.195.185.200
2a02:188:164::100		 he.hostonline.dk
he.hostonline.dk		 AS31027 GlobalConnect A/S
AS31027 GlobalConnect A/S
30 43200s mx-backup.hostonline.dk 217.195.185.201
2a02:188:6004:15::12		 mx-backup.hostonline.dk
spamfront2.hostonline.dk		 AS31027 GlobalConnect A/S
AS31027 GlobalConnect A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscoverautodiscoverredirect.hostonline.dk → 217.195.185.209

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records   49ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 0 1 443 he.hostonline.dk

📝 TXT Records#

1 records   89ms
TXT Record
v=spf1 a mx include:_spf.hostonline.dk -all

✉️ SPF#

PolicyRecord (sulkjaer.dk)
-all (hard fail) v=spf1 a mx include:_spf.hostonline.dk -all

📨 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 2026-10-16 23:05:12
www CNAMEsulkjaer.dk (all on sulkjaer.dk)
www vs bare domainSame network
sulkjaer.dk: 217.195.185.216 (AS31027)
www.sulkjaer.dk: 217.195.185.216 (AS31027)
WildcardNo
Denial of existenceNSEC3 · 10 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

91ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026062302
Primary NS (MNAME)ns4.hostonline.dk
Responsible (RNAME)hostmaster@hostonline.dk
Refresh3600s
Retry600s
Expire86400s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-16 23:20:17
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2000-01-07
Expires2027-03-31 (164d)

🔗 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
38ms
A
31ms
MX
38ms
AAAA
41ms
TXT
89ms
CAA
44ms
HTTPS
31ms
TLSA
53ms
SOA
0ms
MTA-STS
42ms
DNSSEC
91ms
SRV
49ms
Total
523ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 23:05:12 2494ms 3 NS 1 A 2 MX 🔒 Secure
2026-10-11 08:11:17 4388ms 3 NS 1 A 2 MX 🔒 Secure
2026-10-07 04:24:12 759ms 3 NS 1 A 2 MX 🔒 Secure
2026-10-02 01:11:04 4681ms 3 NS 1 A 2 MX 🔒 Secure
2026-09-26 23:54:37 560ms 3 NS 1 A 2 MX 🔒 Secure
2026-09-21 20:40:03 3613ms 3 NS 1 A 2 MX 🔒 Secure
2026-09-18 18:36:35 1003ms 3 NS 1 A 2 MX 🔒 Secure
2026-09-11 15:59:17 2990ms 3 NS 1 A 2 MX 🔒 Secure
2026-09-06 10:20:19 847ms 3 NS 1 A 2 MX 🔒 Secure
2026-08-27 16:39:44 3830ms 3 NS 1 A 2 MX 🔒 Secure
2026-08-22 12:28:55 6671ms 3 NS 1 A 2 MX 🔒 Secure
2026-08-18 11:02:39 1071ms 3 NS 1 A 2 MX 🔒 Secure
2026-08-12 07:15:10 2941ms 3 NS 1 A 2 MX 🔒 Secure
2026-08-07 19:02:40 1049ms 3 NS 1 A 2 MX 🔒 Secure
2026-08-06 08:37:53 1025ms 3 NS 1 A 2 MX 🔒 Secure
2026-07-28 19:33:27 2187ms 3 NS 1 A 2 MX 🔒 Secure
2026-07-23 16:46:30 8887ms 3 NS 1 A 2 MX 🔒 Secure
2026-07-18 11:12:54 1026ms 3 NS 1 A 2 MX 🔒 Secure
2026-07-15 15:56:22 10389ms 3 NS 1 A 2 MX 🔒 Secure
2026-07-09 05:59:12 1297ms 3 NS 1 A 2 MX 🔒 Secure
2026-07-03 11:50:50 9590ms 3 NS 1 A 2 MX 🔒 Secure
2026-06-28 16:03:37 841ms 3 NS 1 A 2 MX 🔒 Secure
2026-06-24 17:44:52 shown 523ms 3 NS 1 A 2 MX 🔒 Secure
2026-06-20 05:06:45 658ms 3 NS 1 A 2 MX 🔒 Secure
2026-06-17 13:09:07 598ms 3 NS 1 A 2 MX 🔒 Secure
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