københavnmail.dk DNS records

🖥️ Nameservers3 records 31ms

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 25ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.195.185.220	3600s	webhotel12.hostonline.dk	AS31027	GlobalConnect A/S	217.195.176.0/20	🇩🇰 Denmark	—

📧 MX Records2 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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	3600s	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

📝 TXT Records1 records 108ms

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

✉️ SPF

Policy	Record (københavnmail.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)

🔐 DNSSEC104ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083102
Primary NS (MNAME)	ns4.hostonline.dk
Responsible (RNAME)	hostmaster@hostonline.dk
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	172800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

31ms

A

25ms

MX

51ms

AAAA

30ms

TXT

108ms

CAA

35ms

HTTPS

29ms

TLSA

94ms

SOA

0ms

MTA-STS

33ms

DNSSEC

104ms

SRV

63ms

Total

589ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 04:24:53	589ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-27 03:22:17	1907ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-27 03:07:02	1893ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-21 17:26:24	1427ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-16 10:41:48	1926ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-12 12:11:15	1707ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-06 18:51:50	9090ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-03 02:02:11	831ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-28 01:42:46	2729ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-22 21:49:25	851ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-18 22:23:46	43460ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-17 19:06:33	807ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-15 09:33:26	917ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-08 21:52:28	9409ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-03 13:15:07	5329ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-28 12:34:44	5097ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-27 16:57:33	587ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-25 09:38:48	1239ms	3 NS 1 A 2 MX	⚠️ Bogus	View
2026-06-23 04:18:58	778ms	3 NS 1 A 2 MX	⚠️ Bogus	View
2026-06-20 04:16:03	4519ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 07:56:40	636ms	3 NS 1 A 2 MX	🔒 Secure	View