sanktknud.dk

📜 Historical scan 2026-06-19 22:16:59  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sanktknud.dk is a .dk domain served by 2 nameservers (jeremy.ns.cloudflare.com, josephine.ns.cloudflare.com). It was registered on 25 May 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.39.125 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dns01.romoborger.dk. The zone is DNSSEC-signed and validates, 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   39ms
NameserverIP addressesPTRASN / ISP
jeremy.ns.cloudflare.com 108.162.193.180
172.64.33.180
173.245.59.180
2606:4700:58::adf5:3bb4
2803:f800:50::6ca2:c1b4
2a06:98c1:50::ac40:21b4		 jeremy.ns.cloudflare.com
jeremy.ns.cloudflare.com
jeremy.ns.cloudflare.com
jeremy.ns.cloudflare.com
jeremy.ns.cloudflare.com
jeremy.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
josephine.ns.cloudflare.com 108.162.194.64
162.159.38.64
172.64.34.64
2606:4700:50::a29f:2640
2803:f800:50::6ca2:c240
2a06:98c1:50::ac40:2240		 josephine.ns.cloudflare.com
josephine.ns.cloudflare.com
josephine.ns.cloudflare.com
josephine.ns.cloudflare.com
josephine.ns.cloudflare.com
josephine.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   39ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.39.125 600s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.145.73 600s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

1 records   36ms
PriorityTTLMail ServerIP addressesPTRASN
10 600s dns01.romoborger.dk 193.181.208.0
2a0f:f01:208:1::		 dns01.romoborger.dk
dns01.romoborger.dk		 AS44803 Webdock.io ApS
AS44803 Webdock.io ApS

🔷 AAAA Records (IPv6)#

2 records   35ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3030::ac43:9149 600s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3037::6815:277d 600s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   64ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBxQAgACDyYg1i/e0zUqcV9OWielLTCYkxwkA9aXhsLt+HvVibBwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records#

1 records   289ms
TXT Record
v=spf1 include:_spf.maileroo.com ~all

✉️ SPF#

PolicyRecord (sanktknud.dk)
~all (soft fail) v=spf1 include:_spf.maileroo.com ~all

📨 DMARC#

PolicyRecord (_dmarc.sanktknud.dk)
p=quarantine v=DMARC1; p=quarantine; rua=mailto:dmarc@sanktknud.dk;

📬 MTA-STS#

157ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID202604171700
max_age604800s
Policy MXrelay.no-email.cc, dns01.romoborger.dk

📈 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 2026-10-15 01:28:56
www188.114.96.1 188.114.97.1 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

1 records   162ms
Service / OwnerTypeCert association
SMTP _25._tcp.dns01.romoborger.dk DANE-EE · SPKI · SHA-256 17819C40066A3035CBA82849F6050C0A…

🔐 DNSSEC#

86ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

61ms
FieldValue
Serial2407207071
Primary NS (MNAME)jeremy.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-14 01:06:50
FieldValue
RegistrarSimply.com A/S
Registered2019-05-25
Expires2027-05-31 (224d)

🔗 Same registrant#

5 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).

DomainRegistrar
eneboer.dkSimply.com A/S
foghdesign.dkSimply.com A/S
nr7.dkSimply.com A/S
romo-borger.dkSimply.com A/S
romoborger.dkSimply.com A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
39ms
A
39ms
MX
36ms
AAAA
35ms
TXT
289ms
CAA
37ms
HTTPS
64ms
TLSA
162ms
SOA
61ms
MTA-STS
157ms
DNSSEC
86ms
SRV
76ms
Total
1225ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-15 01:28:56 2328ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-14 00:47:53 1622ms 2 NS 2 A 1 MX 🔒 Secure
2026-10-07 14:39:19 1334ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-30 15:09:32 896ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-26 09:27:10 1379ms 2 NS 2 A 1 MX 🔒 Secure
2026-09-07 19:44:07 961ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-31 20:17:24 2287ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-30 19:44:54 3743ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-26 09:12:54 901ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-19 19:14:27 8848ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-16 14:43:48 1421ms 2 NS 2 A 1 MX 🔒 Secure
2026-08-10 02:35:13 9313ms 2 NS 2 A 1 MX 🔒 Secure
2026-07-15 15:18:35 1217ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-29 14:36:05 1201ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-26 19:31:57 1404ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-25 14:01:42 1606ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-19 22:16:59 shown 1225ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-19 01:55:51 10769ms 2 NS 2 A 1 MX 🔒 Secure
2026-06-18 07:26:50 1434ms 2 NS 2 A 1 MX 🔒 Secure
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