frostline.dk DNS records

🖥️ Nameservers2 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.72	600s	webcluster1.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 65ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	frostline-dk.mail.protection.outlook.com	2a01:111:f403:ca09:: 2a01:111:f403:ca09::4 2a01:111:f403:ca09::5 2a01:111:f403:ca09::6 52.101.68.27 52.101.68.39 52.101.68.8 52.101.73.26	mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	46.30.213.72

🔷 AAAA Records (IPv6)1 records 64ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10b:45:f150:6621:3c4c	600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 371ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com -all

✉️ SPF

Policy	Record (frostline.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf-eu.emailsignatures365.com -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)

🔐 DNSSEC212ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082005
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

47ms

A

62ms

MX

65ms

AAAA

64ms

TXT

371ms

CAA

58ms

HTTPS

59ms

TLSA

271ms

SOA

0ms

MTA-STS

80ms

DNSSEC

212ms

SRV

146ms

Total

1782ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-21 21:28:41	1782ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 21:13:11	8736ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 21:04:29	6007ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 05:32:31	1724ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 08:54:46	777ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:50:45	668ms	2 NS 1 A 1 MX	🔒 Secure	View