ntmail.dk DNS records

🖥️ Nameservers3 records 74ms

Nameserver	IP addresses	PTR	ASN / ISP
a.ns.netic.dk	2a03:dc80:0:f136::203 77.243.50.203	dns01.netic.dk a.ns.netic.dk	AS42697 Netic A/S AS42697 Netic A/S
b.ns.netic.dk	2a03:dc80:0:f136::205 77.243.50.205	b.ns.netic.dk b.ns.netic.dk	AS42697 Netic A/S AS42697 Netic A/S
c.ns.netic.dk	188.245.159.108 2a01:4f8:c0c:72fd::1	static.108.159.245.188.clients.your-server.de —	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.242.12	3600s	—	AS31027	GlobalConnect A/S	185.20.240.0/22	🇩🇰 Denmark	Hjallerup

📧 MX Records1 records 57ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	ntmail-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca04::f 2a01:111:f403:ca09::3 2a01:111:f403:ca38::8 52.101.68.27 52.101.73.16 52.101.73.2 52.101.73.6	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am6pr04cu00306.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	mail.ntmail.dk → 185.20.242.15

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 1087ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	mail.ntmail.dk

📝 TXT Records2 records 754ms

TXT Record
qg8fcxmh0t5cpmyxwrxm6l9qqr9jbbwh
v=spf1 include:spf.protection.outlook.com include:_spf2900.spfprotect.com ip4:20.16.131.113 ip4:13.95.205.62 ip4:185.20.242.4 ip4:185.20.242.9 -all

✉️ SPF

Policy	Record (ntmail.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf2900.spfprotect.com ip4:20.16.131.113 ip4:13.95.205.62 ip4:185.20.242.4 ip4:185.20.242.9 -all

📨 DMARC

Policy	Record (_dmarc.ntmail.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:603f4a83bf3a3@dmarc.centerasecurity.com; ruf=mailto:jfd@ntmail.dk; fo=1

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.ntmail.dk	DQewKabKx9456yylk82mqqj3zFVr-sgD-mEAG5LmMlU

🔗 TLSA / DANE

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

🔐 DNSSEC228ms

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	2530
Primary NS (MNAME)	a.ns.netic.dk
Responsible (RNAME)	hostmaster@netic.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	60s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

74ms

A

59ms

MX

57ms

AAAA

59ms

TXT

754ms

CAA

80ms

HTTPS

52ms

TLSA

825ms

SOA

0ms

MTA-STS

83ms

DNSSEC

228ms

SRV

1087ms

Total

2350ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:10:28	2350ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-01 22:11:39	1409ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 19:43:28	2741ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 04:49:12	1173ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 21:44:14	1057ms	3 NS 1 A 1 MX	🔓 Insecure	View