thomaswittorff.dk

📜 Historical scan 2026-06-17 17:09:19 · ← 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 already in the .dk zone when our tracking began on 16 June 2026. 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 658ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1045.ui-dns.biz	2001:8d8:fe:53:0:d9a0:512d:100 217.160.81.45	ns1045.ui-dns.biz ns1045.ui-dns.biz	AS8560 IONOS SE AS8560 IONOS SE
ns1045.ui-dns.com	2001:8d8:fe:53:0:d9a0:522d:100 217.160.82.45	ns1045.ui-dns.com ns1045.ui-dns.com	AS8560 IONOS SE AS8560 IONOS SE
ns1045.ui-dns.de	2001:8d8:fe:53:0:d9a0:502d:100 217.160.80.45	ns1045.ui-dns.de ns1045.ui-dns.de	AS8560 IONOS SE AS8560 IONOS SE
ns1045.ui-dns.org	2001:8d8:fe:53:0:d9a0:532d:100 217.160.83.45	ns1045.ui-dns.org ns1045.ui-dns.org	AS8560 IONOS SE AS8560 IONOS SE

🌍 A Records#

1 records 416ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.160.0.155	—	217-160-0-155.elastic-ssl.ui-r.com	AS8560	—	—	—	—

📧 MX Records#

2 records 606ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	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	mx01.mail.icloud.com mx02.mail.icloud.com mx3.mail.icloud.com mx01.mail.icloud.com mx02.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 mx01.mail.icloud.com mx01.mail.icloud.com mx02.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	—	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	mx3.mail.icloud.com mx02.mail.icloud.com mx01.mail.icloud.com mx01.mail.icloud.com mx02.mail.icloud.com smtp1.ic4-privaterelay.appleid.com ic4-privaterelay.appleid.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 mx01.mail.icloud.com mx02.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 715ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:8d8:100f:f000::226	—	2001-08d8-100f-f000-0000-0000-0000-0226.elastic-ssl.ui-r.com	AS8560	—	—	—	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 588ms

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#

586ms

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

🏷️ SOA#

423ms

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#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

658ms

416ms

606ms

AAAA

715ms

TXT

588ms

CAA

416ms

HTTPS

427ms

TLSA

1453ms

SOA

423ms

MTA-STS

724ms

DNSSEC

586ms

SRV

0ms

Total

3700ms

🕐 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	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 shown	3700ms	4 NS 1 A 2 MX	🔓 Insecure