teleteknik.dk DNS records

🖥️ Nameservers2 records 43ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.215	3600s	prolinux4.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	teleteknik-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::3 2a01:111:f403:ca09::8 2a01:111:f403:ca09::f 52.101.73.15 52.101.73.19 52.101.73.6 52.101.73.8	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr04cu00803.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 114ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records2 records 174ms

TXT Record
MS=ms81106402
v=spf1 include:spf.protection.outlook.com ip4:92.246.15.162 ip4:92.246.15.163 ip4:92.246.15.166 ip4:46.228.130.215 ip4:46.228.130.216 ip4:92.246.15.165 include:smtp.emnet.dk -all

✉️ SPF

Policy	Record (teleteknik.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:92.246.15.162 ip4:92.246.15.163 ip4:92.246.15.166 ip4:46.228.130.215 ip4:46.228.130.216 ip4:92.246.15.165 include:smtp.emnet.dk -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)

🔐 DNSSEC74ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
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

43ms

A

38ms

MX

44ms

AAAA

40ms

TXT

174ms

CAA

46ms

HTTPS

33ms

TLSA

310ms

SOA

0ms

MTA-STS

56ms

DNSSEC

74ms

SRV

114ms

Total

1230ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 08:43:11	1230ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 23:22:29	1281ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 13:33:17	1612ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-29 19:47:47	704ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 03:31:50	878ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 18:26:53	9399ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 17:36:21	3249ms	2 NS 1 A 1 MX	🔒 Secure	View