holtab.dk

📜 Historical scan 2026-09-10 09:56:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

holtab.dk is a .dk domain served by 3 nameservers (dns1.asp01.se, dns2.asp01.se, dns3.asp01.se). It was registered on 24 May 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.241.31.195 is hosted by Google LLC (AS396982) in United States. Mail is handled by holtab-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#

3 records 77ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.asp01.se	185.186.56.152	dns1.asp01.se	AS208001 Nordlo Vaxjo & Ljungby AB
dns2.asp01.se	40.68.230.39	—	AS8075 Microsoft Corporation
dns3.asp01.se	185.186.56.153	dns3.asp01.se	AS208001 Nordlo Vaxjo & Ljungby AB

🌍 A Records#

1 records 54ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.241.31.195	3600s	195.31.241.35.bc.googleusercontent.com	AS396982	Google LLC	35.240.0.0/13	🇺🇸 United States	Mountain View

📧 MX Records#

1 records 16ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	holtab-dk.mail.protection.outlook.com	52.101.185.24 52.101.68.12 52.101.68.29 52.101.91.156	mail-zrxpr07cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-maspr04cu00104.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 109ms

TXT Record
MS=ms81436779
v=spf1 a:mail.holtab.se a:mail1.holtab.se ip4:91.212.209.184 include:spf.protection.outlook.com a:mx01.asp01.se ~all

✉️ SPF#

Policy	Record (holtab.dk)
~all (soft fail)	v=spf1 a:mail.holtab.se a:mail1.holtab.se ip4:91.212.209.184 include:spf.protection.outlook.com a:mx01.asp01.se ~all

📨 DMARC#

Policy	Record (_dmarc.holtab.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@holtab.se

📬 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 2026-10-11 18:36:30

www CNAME	holtab.dk (all on holtab.dk) → 35.241.31.195 (AS396982)
www vs bare domain	Same network holtab.dk: 35.241.31.195 (AS396982) www.holtab.dk: 35.241.31.195 (AS396982)
Wildcard	No

✍️ DKIM keys#

2 found

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

155ms

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

🏷️ SOA#

15ms

Field	Value
Serial	2017100626
Primary NS (MNAME)	dns1.asp01.se
Responsible (RNAME)	admin@asp01.se
Refresh	900s
Retry	600s
Expire	86400s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 12:31:21

Field	Value
Registrar	Abion AB
Registered	2005-05-24
Expires	2027-05-31 (220d)

📋 WHOIS#

⏱️ Lookup Timing#

77ms

54ms

16ms

AAAA

19ms

TXT

109ms

CAA

17ms

HTTPS

42ms

TLSA

3322ms

SOA

15ms

MTA-STS

16ms

DNSSEC

155ms

SRV

0ms

Total

4487ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 05:35:28	3369ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-10 09:56:48 shown	4487ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-27 06:36:30	3905ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-24 20:39:02	6472ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-17 12:15:58	1454ms	3 NS 1 A 1 MX	🔓 Insecure