underburet.dk DNS records

🖥️ Nameservers2 records 70ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.brandbyhand.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.brandbyhand.dk	185.25.141.12 2a02:2339:1:10f::123:123	ns1.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.155.240	60s	forward.dnsfactory.dk	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	underburet-dk.mail.protection.outlook.com	2a01:111:f403:ca04::b 2a01:111:f403:ca04::d 2a01:111:f403:ca09::5 2a01:111:f403:ca09::d 52.101.68.0 52.101.73.12 52.101.73.26 52.101.73.30	mail-dbbpr03cu00103.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.24
🔶 Autoconfig	212.237.249.16

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 145ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.underburet.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:msp@smilgruppen.dk

📬 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)

🔐 DNSSEC95ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080401
Primary NS (MNAME)	ns1.brandbyhand.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

70ms

A

45ms

MX

56ms

AAAA

47ms

TXT

145ms

CAA

48ms

HTTPS

31ms

TLSA

798ms

SOA

0ms

MTA-STS

54ms

DNSSEC

95ms

SRV

151ms

Total

1454ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 17:15:43	1454ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-06 04:25:17	1317ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 10:32:38	1205ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 13:00:10	975ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 07:17:12	2019ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 02:24:03	946ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 07:16:11	1202ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 06:43:50	1126ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 15:04:56	1003ms	2 NS 1 A 1 MX	🔒 Secure	View