sulkjaer.dk DNS records

🖥️ Nameservers3 records 51ms

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 Records1 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.185.216	60s	webhotel08.hostonline.dk	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	—

📧 MX Records2 records 26ms

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 Records1 records 77ms

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

📝 TXT Records1 records 140ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082702
Primary NS (MNAME)	ns4.hostonline.dk
Responsible (RNAME)	hostmaster@hostonline.dk
Refresh	3600s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

29ms

MX

26ms

AAAA

50ms

TXT

140ms

CAA

25ms

HTTPS

53ms

TLSA

3343ms

SOA

0ms

MTA-STS

58ms

DNSSEC

95ms

SRV

77ms

Total

3830ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:39:44	3830ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-22 12:28:55	6671ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-18 11:02:39	1071ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-12 07:15:10	2941ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-07 19:02:40	1049ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-06 08:37:53	1025ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-28 19:33:27	2187ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-23 16:46:30	8887ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-18 11:12:54	1026ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-15 15:56:22	10389ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-09 05:59:12	1297ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-03 11:50:50	9590ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-28 16:03:37	841ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 17:44:52	523ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-20 05:06:45	658ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-17 13:09:07	598ms	3 NS 1 A 2 MX	🔒 Secure	View