dahlman.dk

Records from scan: 2026-10-11 19:48:52 · 1263ms total · last checked 2026-10-17 03:12 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dahlman.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 September 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.160 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by dahlman-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.160	3600s	webcluster33.webpod11-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dahlman-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca09::22 2a01:111:f403:ca09::24 2a01:111:f403:ca48::8 52.101.181.153 52.101.68.39 52.101.68.8 52.101.73.155	mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am7pr02cu00203.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

1 records 28ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:102:8006:8e68:68db:cf49	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 154ms

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

✉️ SPF#

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

🧩 Web & zone#

checked 2026-10-11 19:48:52

www	77.111.240.160 2a02:2350:5:102:8006:8e68:68db:cf49 (AS51468) (address records, no CNAME)
www vs bare domain	Same network dahlman.dk: 77.111.240.160 2a02:2350:5:102:8006:8e68:68db:cf49 (AS51468) www.dahlman.dk: 77.111.240.160 2a02:2350:5:102:8006:8e68:68db:cf49 (AS51468)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

60ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2026101104
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-08 19:31:01

Field	Value
Registrar	ONE.COM A/S
Registered	2020-09-08
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

36ms

37ms

AAAA

28ms

TXT

154ms

CAA

33ms

HTTPS

34ms

TLSA

836ms

SOA

39ms

MTA-STS

47ms

DNSSEC

60ms

SRV

71ms

Total

1263ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 19:48:52 shown	1263ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 08:14:59	10082ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-12 19:02:58	3794ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-01 18:28:05	1172ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 23:48:18	535ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 23:40:24	4536ms	2 NS 1 A 1 MX	🔓 Insecure