perberg.dk DNS records

🖥️ Nameservers5 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.d-n-s.dk	185.215.92.135	—	AS209959 Mark Weber Andersen
ns2.d-n-s.dk	185.215.92.136	—	AS209959 Mark Weber Andersen
ns3.d-n-s.dk	185.215.92.137	—	AS209959 Mark Weber Andersen
ns4.d-n-s.dk	185.215.92.138	—	AS209959 Mark Weber Andersen
ns5.d-n-s.dk	185.215.92.139	—	AS209959 Mark Weber Andersen

🌍 A Records1 records 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.131	3600s	linux23.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	perberg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::2 2a01:111:f403:ca09::3 2a01:111:f403:ca09::7 52.101.68.12 52.101.68.15 52.101.68.5 52.101.73.11	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.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

🔌 SRV Records1 records 116ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 231ms

TXT Record
DNS-Service by D-N-S.DK
MS=ms75737513
v=spf1 +a +mx +a:erp.uniconta.com include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (perberg.dk)
-all (hard fail)	v=spf1 +a +mx +a:erp.uniconta.com include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.perberg.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dmarc@perberg.dk; ruf=mailto:dmarc@perberg.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)

🔐 DNSSEC110ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA49ms

Field	Value
Serial	2025030502
Primary NS (MNAME)	ns1.d-n-s.dk
Responsible (RNAME)	hostmaster@d-n-s.dk
Refresh	7200s
Retry	120s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

62ms

MX

42ms

AAAA

60ms

TXT

231ms

CAA

39ms

HTTPS

100ms

TLSA

1284ms

SOA

49ms

MTA-STS

76ms

DNSSEC

110ms

SRV

116ms

Total

10514ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 16:24:47	10514ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-08-04 22:54:08	12905ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-07-24 03:55:59	10586ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 02:53:28	983ms	5 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 11:37:02	6170ms	5 NS 1 A 1 MX	🔓 Insecure	View