thomaswittorff.dk

📜 Historical scan 2026-08-25 10:03:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thomaswittorff.dk is a .dk domain served by 4 nameservers (ns1045.ui-dns.biz, ns1045.ui-dns.com, ns1045.ui-dns.de and 1 more). It was registered on 27 November 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.160.0.155 is hosted by IONOS SE (AS8560) in Germany. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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#

4 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1045.ui-dns.biz	185.132.33.45 2607:f1c0:fe:53:185:132:33:45	ns1045.ui-dns.biz ns1045.ui-dns.biz	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited
ns1045.ui-dns.com	185.132.34.45 2607:f1c0:fe:53:185:132:34:45	ns1045.ui-dns.com ns1045.ui-dns.com	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited
ns1045.ui-dns.de	185.132.32.45 2607:f1c0:fe:53:185:132:32:45	ns1045.ui-dns.de ns1045.ui-dns.de	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited
ns1045.ui-dns.org	185.132.35.45 2607:f1c0:fe:53:185:132:35:45	ns1045.ui-dns.org ns1045.ui-dns.org	AS15418 Fasthosts Internet Limited AS15418 Fasthosts Internet Limited

🌍 A Records#

1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.160.0.155	3600s	217-160-0-155.elastic-ssl.ui-r.com	AS8560	IONOS SE	217.160.0.0/16	🇩🇪 Germany	—

📧 MX Records#

2 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx02.mail.icloud.com mx3.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com ic4-privaterelay.appleid.com smtp1.ic4-privaterelay.appleid.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.
10	3600s	mx02.mail.icloud.com	17.42.251.62 17.42.251.62 17.42.251.62 17.56.9.31 17.56.9.31 17.57.152.5 17.57.152.5 17.57.152.5 17.57.152.5 17.57.154.33 17.57.154.33 17.57.155.25 17.57.155.25 17.57.156.30 17.57.156.30	mx01.mail.icloud.com mx3.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com	AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc. AS714 Apple Inc.

🔷 AAAA Records (IPv6)#

1 records 54ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:8d8:100f:f000::226	3600s	2001-08d8-100f-f000-0000-0000-0000-0226.elastic-ssl.ui-r.com	AS8560	IONOS SE	2001:8d8:0:0:0:0:0:0/32	🇩🇪 Germany	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 260ms

TXT Record
apple-domain=fX5CtLnPxthRWiQg
v=spf1 include:icloud.com ~all

✉️ SPF#

Policy	Record (thomaswittorff.dk)
~all (soft fail)	v=spf1 include:icloud.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-08 07:48:53

www	217.160.0.155 2001:8d8:100f:f000::226 (AS8560) (address records, no CNAME)
www vs bare domain	Same network thomaswittorff.dk: 217.160.0.155 2001:8d8:100f:f000::226 (AS8560) www.thomaswittorff.dk: 217.160.0.155 2001:8d8:100f:f000::226 (AS8560)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 5/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9100ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2017060118
Primary NS (MNAME)	ns1045.ui-dns.com
Responsible (RNAME)	hostmaster@1und1.com
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-17 19:22:51

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-11-27
Expires	2028-11-30 (774d)

🔗 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#

49ms

53ms

49ms

AAAA

54ms

TXT

260ms

CAA

55ms

HTTPS

53ms

TLSA

81ms

SOA

0ms

MTA-STS

83ms

DNSSEC

9100ms

SRV

86ms

Total

9672ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-01 14:19:22	873ms	4 NS 1 A 2 MX	🔓 Insecure
2026-08-25 10:03:52 shown	9672ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-30 04:24:45	1139ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-26 06:13:12	3788ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-22 19:52:00	1055ms	4 NS 1 A 2 MX	🔓 Insecure
2026-06-17 17:09:19	3700ms	4 NS 1 A 2 MX	🔓 Insecure