underbjergconsult.dk

📜 Historical scan 2026-10-02 03:24:55 · ← Latest scan

underbjergconsult.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 September 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by underbjergconsult-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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

2 records 32ms

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

🌍

No A records found

📧 MX Records

1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	underbjergconsult-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca3c::8 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::c 52.101.185.24 52.101.68.29 52.101.91.153 52.101.91.159	mail-db7pr03cu00601.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.149.152

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records

1 records 51ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records

2 records 149ms

TXT Record
MS=ms30691087
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.underbjergconsult.dk)
p=reject	v=DMARC1; p=reject; 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

🧩 Web & zone

latest probe, not this scan · checked 2026-10-03 03:28:43

www	NXDOMAIN
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys

1 found

Selector	CNAME	Key
selector1	selector1-underbjergconsult-dk._domainkey.euhholding.onmicrosoft.com	RSA · ~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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE

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

🔐 DNSSEC

48ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA

40ms

Field	Value
Serial	2026100101
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 2026-10-03 04:01:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-09-20
Expires	2027-09-30 (362d)

📋 WHOIS

⏱️ Lookup Timing

32ms

28ms

31ms

AAAA

27ms

TXT

149ms

CAA

36ms

HTTPS

34ms

TLSA

169ms

SOA

40ms

MTA-STS

45ms

DNSSEC

48ms

SRV

51ms

Total

578ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-10-03 03:28:43	1743ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-02 03:24:55 shown	578ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-01 03:21:59	1188ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-29 21:37:18	1230ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-22 01:16:19	1267ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-03 08:10:44	815ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-24 14:42:41	864ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-23 17:08:06	1158ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 18:49:59	3386ms	2 NS 0 A 1 MX	🔒 Secure