buhlgroup.dk

📜 Historical scan 2026-07-01 23:32:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

buhlgroup.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 141.138.138.33 is hosted by Signet B.V. (AS20857) in The Netherlands. Mail is handled by buhlgroup-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 41ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.138.138.33	3600s	141-138-138-33.colo.transip.net	AS20857	Signet B.V.	141.138.136.0/21	🇳🇱 The Netherlands	—

📧 MX Records#

1 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	buhlgroup-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::e 2a01:111:f403:ca09::9 2a01:111:f403:ca09::c 52.101.68.0 52.101.68.39 52.101.68.5 52.101.73.1	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.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

📝 TXT Records#

2 records 155ms

TXT Record
MS=ms85112692
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.buhlgroup.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 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 2026-10-10 20:50:22

www	141.138.138.33 (AS20857) (address records, no CNAME)
www vs bare domain	Same network buhlgroup.dk: 141.138.138.33 (AS20857) www.buhlgroup.dk: 141.138.138.33 (AS20857)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-buhlgroup-dk._domainkey.ccgroupdk365.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-buhlgroup-dk._domainkey.ccgroupdk365.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#

127ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2026060404
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

64ms

AAAA

45ms

TXT

155ms

CAA

38ms

HTTPS

38ms

TLSA

512ms

SOA

38ms

MTA-STS

48ms

DNSSEC

127ms

SRV

84ms

Total

1086ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 11:46:16	875ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 15:47:11	1249ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 07:22:31	963ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-22 09:26:40	924ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-19 00:10:06	7202ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:32:00 shown	1086ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 17:42:29	3097ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 17:40:15	536ms	2 NS 1 A 1 MX	🔒 Secure