sieb.dk

📜 Historical scan 2026-06-17 12:15:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sieb.dk is a .dk domain served by 5 nameservers (ns1pri.webhosting.dk, ns2.mywebtonet.com, ns2.webhosting.dk and 2 more). It was registered on 8 April 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 23.236.62.147 is hosted by Google LLC (AS396982) in United States. Mail is handled by sieb-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#

5 records 246ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1pri.webhosting.dk	157.250.160.80	ns1pri.webhosting.dk	AS3342 Cibicom A/S
ns2.mywebtonet.com	157.250.163.66	ns2.mywebtonet.com	AS3342 Cibicom A/S
ns2.webhosting.dk	157.250.163.65	ns2.webhosting.dk	AS3342 Cibicom A/S
ns3.webhosting.dk	2a01:4f9:c010:7e3d::1 95.217.166.205	— ns3.webhosting.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns7.webhosting.dk	159.69.216.38 2a01:4f8:1c0c:6cd6::1	ns7.webhosting.dk —	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 103ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.236.62.147	—	147.62.236.23.bc.googleusercontent.com	AS396982	Google LLC	23.236.48.0/20	🇺🇸 United States	Council Bluffs

📧 MX Records#

1 records 113ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	sieb-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09::3 2a01:111:f403:ca09::9 2a01:111:f403:ca09::b 52.101.68.10 52.101.68.36 52.101.73.24 52.101.73.4	mail-db7pr03cu00401.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-as8pr05cu00300.inbound.protection.outlook.com mail-am0pr83cu00404.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records 472ms

TXT Record
7ElT0dhcVG4__n-vHKDZDwXgdEgBnajLDf9SGLI0gTs
MS=ms99946283
v=spf1 include:spf.protection.outlook.com include:spf.webhosting.dk -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.sieb.dk)
p=none (monitor only)	v=DMARC1;p=none;

📬 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 2026-10-18 16:30:28

www CNAME	www18.wixdns.net (all on wixdns.net) → 34.149.87.45 (AS396982)
www vs bare domain	Same network sieb.dk: 23.236.62.147 (AS396982) www.sieb.dk: 34.149.87.45 (AS396982)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-sieb-dk._domainkey.siebteknik.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-sieb-dk._domainkey.siebteknik.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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

354ms

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

🏷️ SOA#

120ms

Field	Value
Serial	3308161278
Primary NS (MNAME)	ns1pri.webhosting.dk
Responsible (RNAME)	hostmaster@webhosting.dk
Refresh	21600s
Retry	3600s
Expire	14515200s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-15 17:40:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-04-08
Expires	2027-04-30 (190d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

246ms

103ms

113ms

AAAA

94ms

TXT

472ms

CAA

82ms

HTTPS

220ms

TLSA

155ms

SOA

120ms

MTA-STS

151ms

DNSSEC

354ms

SRV

0ms

Total

1300ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 16:30:28	1501ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-30 14:00:05	1527ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-25 15:52:49	3125ms	5 NS 1 A 1 MX	🔒 Secure
2026-09-03 15:31:15	1368ms	5 NS 1 A 1 MX	🔒 Secure
2026-08-27 19:59:45	1591ms	5 NS 1 A 1 MX	🔒 Secure
2026-08-26 04:41:22	1836ms	5 NS 1 A 1 MX	🔒 Secure
2026-07-23 14:47:30	3410ms	5 NS 1 A 1 MX	🔒 Secure
2026-06-18 14:09:59	1238ms	5 NS 1 A 1 MX	🔒 Secure
2026-06-17 12:15:40 shown	1300ms	5 NS 1 A 1 MX	🔒 Secure