tetras.dk DNS records

🖥️ Nameservers2 records 42ms

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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.8.38.10	3600s	—	AS48854	team.blue Denmark A/S	193.8.38.0/24	🇩🇰 Denmark	—

📧 MX Records1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tetras-dk.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::7 2a01:111:f403:ca04::a 2a01:111:f403:ca09::b 52.101.68.18 52.101.68.27 52.101.68.36 52.101.73.24	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr05cu00300.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 175ms

TXT Record
MS=ms84519582
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (tetras.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)

🔐 DNSSEC86ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081901
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

42ms

A

39ms

MX

36ms

AAAA

49ms

TXT

175ms

CAA

56ms

HTTPS

45ms

TLSA

300ms

SOA

0ms

MTA-STS

189ms

DNSSEC

86ms

SRV

62ms

Total

1039ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 06:13:39	1039ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 14:15:30	9165ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 19:17:28	5644ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 00:48:52	8951ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 20:18:12	7169ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 17:00:56	1361ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 12:16:03	1219ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 23:22:43	1643ms	2 NS 1 A 1 MX	🔒 Secure	View