thomaswittorff.dk

📜 Historical scan 2026-06-30 04:24:45 · ← 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. 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 44ms

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 65ms

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 44ms

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	mx3.mail.icloud.com mx01.mail.icloud.com mx02.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 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	mx02.mail.icloud.com mx01.mail.icloud.com mx3.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 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 44ms

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 250ms

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#

86ms

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

🏷️ SOA#

44ms

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#

44ms

65ms

44ms

AAAA

44ms

TXT

250ms

CAA

61ms

HTTPS

64ms

TLSA

96ms

SOA

44ms

MTA-STS

69ms

DNSSEC

86ms

SRV

86ms

Total

1139ms

🕐 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 shown	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