buo.dk DNS records

🖥️ Nameservers3 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
136.243.166.204	3600s	dedi5036.your-server.de	AS24940	Hetzner Online GmbH	136.243.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	buo-dk.mail.eo.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::6 2a01:111:f403:ca09::5 2a01:111:f403:ca09::7 52.101.68.25 52.101.73.11 52.101.73.126 52.101.73.15	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.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

📝 TXT Records2 records 151ms

TXT Record
MS=ms68823501
v=spf1 include:spf.protection.outlook.com ip4:87.53.121.149 ip4:93.90.117.138 a:relay164.mysmtp.mobi include:servers.mcsv.net include:web.shared.mysmtp.com -all

✉️ SPF

Policy	Record (buo.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:87.53.121.149 ip4:93.90.117.138 a:relay164.mysmtp.mobi include:servers.mcsv.net include:web.shared.mysmtp.com -all

📨 DMARC

Policy	Record (_dmarc.buo.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:fejl@buo.dk, mailto:fejl@buo.dk; pct=100; adkim=s; aspf=s

📬 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)

🔐 DNSSEC89ms

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

🏷️ SOA0ms

Field	Value
Serial	2026012101
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

33ms

MX

37ms

AAAA

46ms

TXT

151ms

CAA

35ms

HTTPS

43ms

TLSA

4040ms

SOA

0ms

MTA-STS

55ms

DNSSEC

89ms

SRV

63ms

Total

4867ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 17:16:05	4867ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 23:30:27	8294ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 17:46:03	1598ms	3 NS 1 A 1 MX	🔒 Secure	View