swerts-knudsen.dk

📜 Historical scan 2026-09-30 13:50:44  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

swerts-knudsen.dk is a .dk domain served by 2 nameservers (kyree.ns.cloudflare.com, lady.ns.cloudflare.com). It was registered on 22 July 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.86.95 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.swerts-knudsen.dk, mailgw.sbshosting.dk. 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   54ms
NameserverIP addressesPTRASN / ISP
kyree.ns.cloudflare.com 108.162.195.207
162.159.44.207
172.64.35.207
2606:4700:58::a29f:2ccf
2803:f800:50::6ca2:c3cf
2a06:98c1:50::ac40:23cf		 kyree.ns.cloudflare.com
kyree.ns.cloudflare.com
kyree.ns.cloudflare.com
kyree.ns.cloudflare.com
kyree.ns.cloudflare.com
kyree.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
lady.ns.cloudflare.com 108.162.192.127
172.64.32.127
173.245.58.127
2606:4700:50::adf5:3a7f
2803:f800:50::6ca2:c07f
2a06:98c1:50::ac40:207f		 lady.ns.cloudflare.com
lady.ns.cloudflare.com
lady.ns.cloudflare.com
lady.ns.cloudflare.com
lady.ns.cloudflare.com
lady.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   45ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.86.95 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.217.106 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

2 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
10 300s mail.swerts-knudsen.dk 185.181.223.122 pmg.swerts-knudsen.dk AS203953 Hiper A/S
15 300s mailgw.sbshosting.dk 5.57.55.126 mailgw.sbshosting.dk AS198608 Symbion A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover172.67.217.106
🔶 Autoconfig104.21.86.95

🔷 AAAA Records (IPv6)#

2 records   55ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3033::ac43:d96a 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3034::6815:565f 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   50ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.86.95,172.67.217.106 ech=AEX+DQBBmwAgACAv4ShE74ptABAVVTNRaRqLWHw/q5ExHTd+wAz0MBCmGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d96a,2606:4700:3034::6815:565f

📝 TXT Records#

1 records   202ms
TXT Record
v=spf1 include:spf.sbshosting.dk ip4:185.181.223.122 -all

✉️ SPF#

PolicyRecord (swerts-knudsen.dk)
-all (hard fail) v=spf1 include:spf.sbshosting.dk ip4:185.181.223.122 -all

📨 DMARC#

PolicyRecord (_dmarc.swerts-knudsen.dk)
p=quarantine v=DMARC1; p=quarantine

📬 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 2026-10-22 20:44:38
www104.21.86.95 172.67.217.106 2606:4700:3033::ac43:d96a 2606:4700:3034::6815:565f (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ DKIM keys#

1 found
SelectorCNAMEKey
default — 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: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.swerts-knudsen.dk QRv9nElz7Asv7ZBsPvWOOnR2IJI-2pRrqBOY0mdC5HQ
TXT _acme-challenge.swerts-knudsen.dk bMZJnDYu6y5KI68MtqlaZi6FcjRbKq_ot7wiuuWD5Vc

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

128ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

53ms
FieldValue
Serial2416193687
Primary NS (MNAME)kyree.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-03 14:03:42
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2002-07-22
Expires2027-09-30 (339d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
54ms
A
45ms
MX
38ms
AAAA
55ms
TXT
202ms
CAA
38ms
HTTPS
50ms
TLSA
94ms
SOA
53ms
MTA-STS
64ms
DNSSEC
128ms
SRV
71ms
Total
1427ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 13:55:39 705ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-02 13:54:32 648ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-01 13:52:58 1058ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-30 13:50:44 shown 1427ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-29 13:48:19 1013ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-26 13:24:23 1246ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-26 02:26:27 686ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-24 01:46:45 762ms 2 NS 2 A 2 MX 🔓 Insecure
2026-09-11 19:04:57 877ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-03 20:45:02 709ms 2 NS 1 A 2 MX 🔒 Secure
2026-08-13 04:38:12 1298ms 2 NS 1 A 2 MX 🔒 Secure
2026-07-19 04:23:53 1256ms 2 NS 1 A 2 MX 🔒 Secure
2026-07-16 19:17:05 2814ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-22 16:10:18 817ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-21 16:19:06 1320ms 2 NS 1 A 2 MX 🔒 Secure
2026-06-18 01:03:35 1121ms 2 NS 1 A 2 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone