busch.dk

📜 Historical scan 2026-07-01 23:36:58 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

busch.dk is a .dk domain served by 2 nameservers (ns1.onwelcom.dk, ns2.onwelcom.dk). It was registered on 23 April 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.105.216.45 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by busch-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#

2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.onwelcom.dk	185.51.79.241	ns1.onwelcom.dk	AS205984 Powernet Aps
ns2.onwelcom.dk	185.51.79.251	—	AS205984 Powernet Aps

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.105.216.45	86400s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	busch-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca04::c 2a01:111:f403:ca09::8 2a01:111:f403:ca09::e 52.101.68.10 52.101.68.18 52.101.68.29 52.101.68.8	mail-db4pr02cu00307.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.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	autodiscoveronprem.buschvacuum.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 78ms

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

📝 TXT Records#

6 records 159ms

TXT Record
_globalsign-domain-verification=QOVpHHdlDcF5lIAmexryd-4s1t-DBpVQsnNTFcJkP1
adobe-idp-site-verification=37db254027e9e2a9c83f1558a81d4ddc825ea81b1ef9b35f55b865561e99611f
atlassian-domain-verification=4kBT8asavyXPFxiicJaHFiaSYxzd3h4jxVi/THoaOmPZmFVD4dt54Vq9T5WkD7oj
knowbe4-site-verification=d6ea8cac47ee9e81290b15199111ba6e
MS=ms53352925
v=spf1 include:spf.protection.outlook.com include:_spf.cmail.ondemand.com include:_spf-dc57.sapsf.eu -all

✉️ SPF#

Policy	Record (busch.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.cmail.ondemand.com include:_spf-dc57.sapsf.eu -all

📨 DMARC#

Policy	Record (_dmarc.busch.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; rua=mailto:dmarc@buschgroup.com; sp=none; aspf=r

📬 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 2026-10-16 17:27:51

www CNAME	cdn.buschvacuum.com (all on buschvacuum.com) → 88.218.3.190 2a0d:5600:1a:26::2 (AS9009)
www vs bare domain	Different networks busch.dk: 138.199.245.109 138.199.245.111 (AS24940) www.busch.dk: 88.218.3.190 2a0d:5600:1a:26::2 (AS9009) (all like this)
Wildcard	No

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-busch-dk._domainkey.buschvacuum.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-busch-dk._domainkey.buschvacuum.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: 4/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

66ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2021072262
Primary NS (MNAME)	ns1.onwelcom.dk
Responsible (RNAME)	hostmaster@busch.dk
Refresh	3600s
Retry	600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-03 06:06:30

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1997-04-23
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

35ms

43ms

AAAA

32ms

TXT

159ms

CAA

32ms

HTTPS

24ms

TLSA

251ms

SOA

31ms

MTA-STS

47ms

DNSSEC

66ms

SRV

78ms

Total

785ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 05:35:48	5997ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 02:59:17	2290ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-03 11:20:07	1328ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-06 09:12:29	4309ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-01 23:36:58 shown	785ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 17:46:02	968ms	2 NS 1 A 1 MX	🔓 Insecure