regattasilkeborg.dk

📜 Historical scan 2026-07-16 22:33:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

regattasilkeborg.dk is a .dk domain served by 2 nameservers (aisha.ns.cloudflare.com, colin.ns.cloudflare.com). It was registered on 2 April 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.213 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route3.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, publishes a 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#

2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
aisha.ns.cloudflare.com	108.162.194.186 162.159.38.186 172.64.34.186 2606:4700:50::a29f:26ba 2803:f800:50::6ca2:c2ba 2a06:98c1:50::ac40:22ba	aisha.ns.cloudflare.com aisha.ns.cloudflare.com aisha.ns.cloudflare.com aisha.ns.cloudflare.com aisha.ns.cloudflare.com aisha.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
colin.ns.cloudflare.com	108.162.195.75 162.159.44.75 172.64.35.75 2606:4700:58::a29f:2c4b 2803:f800:50::6ca2:c34b 2a06:98c1:50::ac40:234b	colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.54.213	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.142.213	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
2	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.
74	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.
79	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.

🔷 AAAA Records (IPv6)#

2 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:36d5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:8ed5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 37ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.54.213,172.67.142.213 ipv6hint=2606:4700:3031::6815:36d5,2606:4700:3036::ac43:8ed5

📝 TXT Records#

1 records 204ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (regattasilkeborg.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC#

Policy	Record (_dmarc.regattasilkeborg.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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 2026-10-10 18:40:32

www	104.21.54.213 172.67.142.213 2606:4700:3031::6815:36d5 2606:4700:3036::ac43:8ed5 (AS13335) (address records, no CNAME)
www vs bare domain	Same network regattasilkeborg.dk: 104.21.54.213 172.67.142.213 2606:4700:3031::6815:36d5 2606:4700:3036::ac43:8ed5 (AS13335) www.regattasilkeborg.dk: 104.21.54.213 172.67.142.213 2606:4700:3031::6815:36d5 2606:4700:3036::ac43:8ed5 (AS13335)
Wildcard	No

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	RSA · ~1024 bit below 2048 bit
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

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: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

9 records 129ms

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

🔐 DNSSEC#

118ms

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	2409696856
Primary NS (MNAME)	aisha.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 19:19:41

Field	Value
Registrar	DANDOMAIN A/S
Registered	2024-04-02
Expires	2027-04-01 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

29ms

52ms

AAAA

52ms

TXT

204ms

CAA

40ms

HTTPS

37ms

TLSA

129ms

SOA

0ms

MTA-STS

56ms

DNSSEC

118ms

SRV

154ms

Total

1555ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 18:40:32	1606ms	2 NS 2 A 3 MX	🔓 Insecure
2026-10-01 05:32:12	1191ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-23 13:51:46	3316ms	2 NS 2 A 3 MX	🔓 Insecure
2026-09-19 01:58:41	1529ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-27 00:26:15	9971ms	2 NS 2 A 3 MX	🔓 Insecure
2026-08-11 16:50:15	7435ms	2 NS 2 A 3 MX	🔓 Insecure
2026-07-16 22:33:08 shown	1555ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-26 00:46:59	2561ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-20 05:30:59	5104ms	2 NS 2 A 3 MX	🔓 Insecure
2026-06-17 15:19:10	1438ms	2 NS 2 A 3 MX	🔓 Insecure