teltgruppen.dk DNS records

🖥️ Nameservers2 records 428ms

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 450ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
116.203.124.47	3600s	static.47.124.203.116.clients.your-server.de	AS24940	Hetzner Online GmbH	116.202.0.0/15	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 462ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	teltgruppen-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 2a01:111:f403:ca09::d 52.101.68.32 52.101.73.12 52.101.73.2 52.101.73.6	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am4pr0401cu00104.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	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 1269ms

TXT Record
MS=ms86234403
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (teltgruppen.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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)

🔐 DNSSEC1011ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082001
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

428ms

A

450ms

MX

462ms

AAAA

474ms

TXT

1269ms

CAA

428ms

HTTPS

481ms

TLSA

1065ms

SOA

0ms

MTA-STS

576ms

DNSSEC

1011ms

SRV

516ms

Total

7528ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 18:11:49	7528ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 17:25:05	1164ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 09:06:46	8807ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-28 18:49:58	1200ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 02:15:16	2802ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 03:01:44	868ms	2 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-23 00:49:54	1186ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 23:09:26	807ms	2 NS 1 A 1 MX	🔒 Secure	View