masbt.dk DNS records

🖥️ Nameservers2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
eugene.ns.cloudflare.com	108.162.195.72 162.159.44.72 172.64.35.72 2606:4700:58::a29f:2c48 2803:f800:50::6ca2:c348 2a06:98c1:50::ac40:2348	eugene.ns.cloudflare.com eugene.ns.cloudflare.com eugene.ns.cloudflare.com eugene.ns.cloudflare.com eugene.ns.cloudflare.com eugene.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
wren.ns.cloudflare.com	108.162.194.141 162.159.38.141 172.64.34.141 2606:4700:50::a29f:268d 2803:f800:50::6ca2:c28d 2a06:98c1:50::ac40:228d	wren.ns.cloudflare.com wren.ns.cloudflare.com wren.ns.cloudflare.com wren.ns.cloudflare.com wren.ns.cloudflare.com wren.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.45.127	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.214.76	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	masbt-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca09::26 2a01:111:f403:ca09::28 2a01:111:f403:ca09::5 52.101.68.8 52.101.73.15 52.101.73.16 52.101.73.24	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.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 → 40.104.116.56
🔶 Autoconfig	104.21.45.127

🔷 AAAA Records (IPv6)2 records 72ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:2d7f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3030::ac43:d64c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 58ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.45.127,172.67.214.76 ech=AEX+DQBB/gAgACAEG/7Brqe/fvQzazr919c4T8/5fb5mXjy6SOggZUQaaAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2d7f,2606:4700:3030::ac43:d64c

📝 TXT Records1 records 403ms

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

✉️ SPF

Policy	Record (masbt.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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.masbt.dk	8j6SCM9shFn1I85KPoEHcudfA1vFa2nhpHQVE9deOQo
TXT	_acme-challenge.masbt.dk	c6K1zNN7aHGHE4xTjgIrMt14GqpPVeVlZa97rogAy5U

🔗 TLSA / DANE

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

🔐 DNSSEC84ms

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

🏷️ SOA0ms

Field	Value
Serial	2413666256
Primary NS (MNAME)	eugene.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

52ms

A

55ms

MX

41ms

AAAA

72ms

TXT

403ms

CAA

70ms

HTTPS

58ms

TLSA

760ms

SOA

0ms

MTA-STS

90ms

DNSSEC

84ms

SRV

104ms

Total

2278ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 18:32:53	2278ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-14 17:35:30	3844ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-27 17:35:56	49679ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-22 13:53:27	11043ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-17 22:28:07	3455ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-29 02:16:29	1595ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-26 08:00:15	1186ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-06-20 07:41:46	851ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 17:15:47	13667ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 16:55:06	1229ms	2 NS 2 A 1 MX	🔒 Secure	View