koebenhavnmail.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 27ms

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 31ms

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 97ms

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

✉️ SPF

Policy	Record (koebenhavnmail.dk)
-all (hard fail)	v=spf1 a mx include:_spf.hostonline.dk -all

📨 DMARC

Policy	Record (_dmarc.koebenhavnmail.dk)
p=reject	v=DMARC1; p=reject; aspf=r;

📬 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)

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082602
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

27ms

MX

31ms

AAAA

26ms

TXT

97ms

CAA

26ms

HTTPS

27ms

TLSA

73ms

SOA

0ms

MTA-STS

35ms

DNSSEC

96ms

SRV

33ms

Total

479ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 22:38:40	479ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-21 14:33:06	2981ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-16 03:57:01	953ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-11 19:31:26	9829ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-07 10:50:38	2996ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-08-02 21:52:52	885ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-27 08:08:27	1003ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-23 05:40:06	8918ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-17 20:21:20	1052ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-13 04:44:52	2634ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-07 07:59:57	3942ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-07-03 10:06:10	755ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-27 05:42:26	549ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-26 15:00:39	2973ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-24 17:30:28	984ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 15:51:43	1163ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 18:47:42	1635ms	3 NS 1 A 2 MX	🔒 Secure	View
2026-06-18 00:32:33	1189ms	3 NS 1 A 2 MX	🔒 Secure	View