birkholm.dk DNS records

🖥️ Nameservers4 records 83ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.138	3600s	linux127.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
32767	3600s	birkholm-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::3 2a01:111:f403:ca09::7 2a01:111:f403:ca48::8 52.101.68.3 52.101.68.39 52.101.73.16 52.101.73.6	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am6pr04cu00306.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
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records2 records 134ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 264ms

TXT Record
google-site-verification=-sxRMw1aE6H2isViOcDmf_6LgLjtxbWbR4YqY15MT5o
MS=ms35246111
v=spf1 include:spf.protection.outlook.com include:spf.netsite.dk include:_spf-hosting.eg.dk -all

✉️ SPF

Policy	Record (birkholm.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.netsite.dk include:_spf-hosting.eg.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)

🔐 DNSSEC201ms

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

🏷️ SOA0ms

Field	Value
Serial	2025042300
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

83ms

A

44ms

MX

35ms

AAAA

44ms

TXT

264ms

CAA

86ms

HTTPS

38ms

TLSA

316ms

SOA

0ms

MTA-STS

172ms

DNSSEC

201ms

SRV

134ms

Total

1057ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 12:48:07	1057ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 14:47:45	1932ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 14:47:30	568ms	4 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 14:40:58	678ms	4 NS 1 A 1 MX	🔒 Secure	View