subtel.dk DNS records

🖥️ Nameservers3 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.hosting.de	134.0.30.178 2a03:2900:3:1::2	ns1.routing.net ns1.routing.net	AS48823 Hosting.de GmbH AS48823 Hosting.de GmbH
ns2.hosting.de	194.50.113.2 2001:4d8f:2::2	ns2.routing.net ns2.routing.net	AS41637 Hosting.de GmbH AS41637 Hosting.de GmbH
ns3.hosting.de	194.126.196.2 2a03:2902:3:1::2	ns3.routing.net ns3.routing.net	AS31400 firstcolo GmbH AS31400 firstcolo GmbH

🌍 A Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.244.117.19	600s	—	AS8881	1&1 Versatel GmbH	89.244.0.0/15	🇩🇪 Germany	Hamburg

📧 MX Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	subtel-dk.mail.protection.outlook.com	2a01:111:f403:ca27:: 2a01:111:f403:ca2d:: 2a01:111:f403:ca2d::1 2a01:111:f403:ca2d::2 52.101.168.0 52.101.170.0 52.101.170.1 52.101.170.2	mail-beup281cu00100.inbound.protection.outlook.com mail-fr5p281cu00500.inbound.protection.outlook.com mail-fr4p281cu03101.inbound.protection.outlook.com mail-fr6p281cu00202.inbound.protection.outlook.com mail-beup281cu00100.inbound.protection.outlook.com mail-fr5p281cu00500.inbound.protection.outlook.com mail-fr4p281cu03101.inbound.protection.outlook.com mail-fr6p281cu00202.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records4 records 258ms

TXT Record
brevo-code:a0a1b28bdbb5af502932696e8c51df6b
google-site-verification=rumYZFdkjbz3RHC1R5Upccg04jXeRL3XdinDAyUMdQs
MS=ms66703073
v=spf1 mx a ip4:217.31.82.210/32 ip4:217.31.82.221/32 ip4:89.244.117.18/32 ip4:89.244.117.20/32 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (subtel.dk)
-all (hard fail)	v=spf1 mx a ip4:217.31.82.210/32 ip4:217.31.82.221/32 ip4:89.244.117.18/32 ip4:89.244.117.20/32 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.subtel.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:rua@dmarc.brevo.com

📬 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)

🔐 DNSSEC131ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026082800
Primary NS (MNAME)	ns1.hosting.de
Responsible (RNAME)	hostmaster@subtel.dk
Refresh	86400s
Retry	7200s
Expire	3600000s
Minimum (neg-cache TTL)	900s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

46ms

MX

48ms

AAAA

44ms

TXT

258ms

CAA

41ms

HTTPS

51ms

TLSA

865ms

SOA

0ms

MTA-STS

75ms

DNSSEC

131ms

SRV

88ms

Total

1598ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 15:46:46	1598ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 14:21:28	1258ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 20:24:41	2696ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-24 17:41:07	1773ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-23 16:32:18	3690ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-14 07:23:54	9500ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 16:54:19	1926ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 21:20:52	11303ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 20:47:18	1518ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 16:12:16	2778ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:51:55	4196ms	3 NS 1 A 1 MX	🔓 Insecure	View