sulkjaer.dk

Records from scan: 2026-10-16 23:05:12 · 2494ms total

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 159ms

Nameserver	IP addresses	PTR	ASN / 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 155ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.185.216	120s	webhotel08.hostonline.dk	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	Copenhagen

📧 MX Records#

2 records 154ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
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#

Service	CNAME / IP
🔷 Autodiscover	autodiscoverredirect.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 381ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	1	443	he.hostonline.dk

📝 TXT Records#

1 records 482ms

TXT Record
v=spf1 a mx include:_spf.hostonline.dk -all

✉️ SPF#

Policy	Record (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#

checked 2026-10-16 23:05:12

www CNAME	sulkjaer.dk (all on sulkjaer.dk) → 217.195.185.216 (AS31027)
www vs bare domain	Same network sulkjaer.dk: 217.195.185.216 (AS31027) www.sulkjaer.dk: 217.195.185.216 (AS31027)
Wildcard	No
Denial of existence	NSEC3 · 10 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 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#

1000ms

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

🏷️ SOA#

102ms

Field	Value
Serial	2026101602
Primary NS (MNAME)	ns4.hostonline.dk
Responsible (RNAME)	hostmaster@hostonline.dk
Refresh	3600s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-16 23:20:17

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-01-07
Expires	2027-03-31 (165d)

🔗 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#

159ms

155ms

154ms

AAAA

161ms

TXT

482ms

CAA

156ms

HTTPS

149ms

TLSA

345ms

SOA

102ms

MTA-STS

176ms

DNSSEC

1000ms

SRV

381ms

Total

2494ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 23:05:12 shown	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	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