thomascilius.dk

📜 Historical scan 2026-06-22 04:56:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thomascilius.dk is a .dk domain served by 2 nameservers (decker.ns.cloudflare.com, noor.ns.cloudflare.com). It was registered on 1 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.198.79.1 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by route2.mx.cloudflare.net, route1.mx.cloudflare.net and 1 more. 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#

2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
decker.ns.cloudflare.com	108.162.195.155 162.159.44.155 172.64.35.155 2606:4700:58::a29f:2c9b 2803:f800:50::6ca2:c39b 2a06:98c1:50::ac40:239b	decker.ns.cloudflare.com decker.ns.cloudflare.com decker.ns.cloudflare.com decker.ns.cloudflare.com decker.ns.cloudflare.com decker.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
noor.ns.cloudflare.com	108.162.194.74 162.159.38.74 172.64.34.74 2606:4700:50::a29f:264a 2803:f800:50::6ca2:c24a 2a06:98c1:50::ac40:224a	noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com noor.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
216.198.79.1	300s	—	AS16509	Amazon.com, Inc.	216.198.79.0/24	🇺🇸 United States	—

📧 MX Records#

3 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
34	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
52	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 195ms

TXT Record
lemlist-verif=-632ff5
v=spf1 +a +mx +include:spf-record.net ~all

✉️ SPF#

Policy	Record (thomascilius.dk)
~all (soft fail)	v=spf1 +a +mx +include:spf-record.net ~all

📨 DMARC#

Policy	Record (_dmarc.thomascilius.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 2026-10-12 13:48:34

www	216.198.79.1 (AS16509) (address records, no CNAME)
www vs bare domain	Same network thomascilius.dk: 216.198.79.1 (AS16509) www.thomascilius.dk: 216.198.79.1 (AS16509)
Wildcard	No

✍️ DKIM keys#

3 found

Selector	CNAME	Key
default	—	RSA · ~1024 bit below 2048 bit
selector1	selector1-thomascilius-dk._domainkey.thomascilius.w-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-thomascilius-dk._domainkey.thomascilius.w-v1.dkim.mail.microsoft	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#

9 records 93ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…

🔐 DNSSEC#

149ms

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

🏷️ SOA#

65ms

Field	Value
Serial	2407343107
Primary NS (MNAME)	decker.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-09-06 04:56:51

Field	Value
Registrar	ONE.COM A/S
Registered	2024-11-01
Expires	2026-10-31 (5d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

58ms

49ms

AAAA

55ms

TXT

195ms

CAA

57ms

HTTPS

60ms

TLSA

93ms

SOA

65ms

MTA-STS

52ms

DNSSEC

149ms

SRV

77ms

Total

799ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 13:48:34	982ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-30 04:48:13	1197ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-06 04:48:58	1093ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 04:36:28	1236ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-16 07:26:13	6758ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-08 21:03:42	9654ms	2 NS 1 A 3 MX	🔓 Insecure
2026-07-04 22:46:14	10625ms	2 NS 1 A 3 MX	🔓 Insecure
2026-07-03 13:13:49	1408ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-22 04:56:42 shown	799ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-21 05:28:01	1184ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 05:04:33	32435ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-18 03:36:51	38574ms	2 NS 1 A 3 MX	🔓 Insecure