swerts-knudsen.dk

📜 Historical scan 2026-09-24 01:46:45  ·  ← 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   44ms
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   42ms
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   60ms
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
🔶 Autoconfig172.67.217.106

🔷 AAAA Records (IPv6)#

2 records   43ms
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   35ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.86.95,172.67.217.106 ech=AEX+DQBBwAAgACBrz9Z3yknC6L02ZXz0l/P33i3AGXPnjdxCmuGWSSuTAwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d96a,2606:4700:3034::6815:565f

📝 TXT Records#

1 records   166ms
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 8Pdyryd76-ByGAPQWGmXuCWm_O9EvoEPgZFi0J8U3Sw
TXT _acme-challenge.swerts-knudsen.dk mqo7lJsDFPuMsHjSOKoCQgtZi2iQOAhVDEP77tv9SUU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

115ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2415591601
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 (340d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
42ms
MX
60ms
AAAA
43ms
TXT
166ms
CAA
30ms
HTTPS
35ms
TLSA
73ms
SOA
0ms
MTA-STS
67ms
DNSSEC
115ms
SRV
63ms
Total
762ms

🕐 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 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 shown 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