perberg.dk

📜 Historical scan 2026-08-04 22:54:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

perberg.dk is a .dk domain served by 5 nameservers (ns1.d-n-s.dk, ns2.d-n-s.dk, ns3.d-n-s.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.131 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by perberg-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

5 records 67ms

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 Records#

1 records 27ms

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 Records#

1 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	perberg-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca04::9 2a01:111:f403:ca04::a 2a01:111:f403:ca04::d 52.101.68.5 52.101.73.24 52.101.73.28 52.101.73.30	mail-db7pr03cu00401.inbound.protection.outlook.com mail-db7pr03cu00601.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am7pr05cu00204.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 105ms

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

📝 TXT Records#

3 records 182ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 10:14:31

www CNAME	perberg.dk (all on perberg.dk) → 185.21.41.131 (AS48854)
www vs bare domain	Same network perberg.dk: 185.21.41.131 (AS48854) www.perberg.dk: 185.21.41.131 (AS48854)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-perberg-dk._domainkey.perbergss.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

75ms

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

🏷️ SOA#

23ms

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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

67ms

27ms

28ms

AAAA

38ms

TXT

182ms

CAA

99ms

HTTPS

34ms

TLSA

548ms

SOA

23ms

MTA-STS

80ms

DNSSEC

75ms

SRV

105ms

Total

12905ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 10:14:31	10098ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-30 00:56:25	4873ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-24 03:21:23	9030ms	5 NS 1 A 1 MX	🔓 Insecure
2026-09-04 02:29:41	6914ms	5 NS 1 A 1 MX	🔓 Insecure
2026-08-18 16:24:47	10514ms	5 NS 1 A 1 MX	🔓 Insecure
2026-08-04 22:54:08 shown	12905ms	5 NS 1 A 1 MX	🔓 Insecure
2026-07-24 03:55:59	10586ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-26 02:53:28	983ms	5 NS 1 A 1 MX	🔓 Insecure
2026-06-17 11:37:02	6170ms	5 NS 1 A 1 MX	🔓 Insecure