suln.dk

📜 Historical scan 2026-10-07 18:01:22  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

suln.dk is a .dk domain served by 2 nameservers (joaquin.ns.cloudflare.com, lucy.ns.cloudflare.com). It was registered on 14 August 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.71.144 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no 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   36ms
NameserverIP addressesPTRASN / ISP
joaquin.ns.cloudflare.com 108.162.195.220
162.159.44.220
172.64.35.220
2606:4700:58::a29f:2cdc
2803:f800:50::6ca2:c3dc
2a06:98c1:50::ac40:23dc		 joaquin.ns.cloudflare.com
joaquin.ns.cloudflare.com
joaquin.ns.cloudflare.com
joaquin.ns.cloudflare.com
joaquin.ns.cloudflare.com
joaquin.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
lucy.ns.cloudflare.com 108.162.192.133
172.64.32.133
173.245.58.133
2606:4700:50::adf5:3a85
2803:f800:50::6ca2:c085
2a06:98c1:50::ac40:2085		 lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.ns.cloudflare.com
lucy.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   30ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.71.144 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.145.123 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   47ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3032::ac43:917b 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3035::6815:4790 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   38ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.71.144,172.67.145.123 ech=AEX+DQBB1QAgACDUxPEY6wZdpsELGeXrSajVDGNijlaDDzoiG10b5RThewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:917b,2606:4700:3035::6815:4790

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-07 18:12:45
www104.21.71.144 172.67.145.123 2606:4700:3032::ac43:917b 2606:4700:3035::6815:4790 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔗 TLSA / DANE#

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

🔐 DNSSEC#

108ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

41ms
FieldValue
Serial2416833358
Primary NS (MNAME)joaquin.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-22 00:47:51
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2017-08-14
Expires2027-08-31 (312d)

🔗 Same registrant#

47 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
a2l.dkDANDOMAIN A/S
aalborgseminarium.dkDANDOMAIN A/S
aalsem.dkDANDOMAIN A/S
act2learn.dkDANDOMAIN A/S
censorsekretariatet.dkDANDOMAIN A/S
centerforsportmanagement.dkDANDOMAIN A/S
cepra.dkDANDOMAIN A/S
dedigitaledage.dkDANDOMAIN A/S
denmangfoldigefolkeskole.dkDANDOMAIN A/S
detpostmodernelederliv.dkDANDOMAIN A/S
digitaldidaktik.dkDANDOMAIN A/S
eksportbachelor.dkDANDOMAIN A/S
flexlaerer.dkDANDOMAIN A/S
hospitalitymanagement.dkDANDOMAIN A/S
housingenabler.dkDANDOMAIN A/S
icdpaalborg.dkDANDOMAIN A/S
icdpdanmark.dkDANDOMAIN A/S
lp-modellen.dkDANDOMAIN A/S
micro-credential.dkPunktum dk A/S (direct)
micro-credentials.dkPunktum dk A/S (direct)
micro-modul.dkPunktum dk A/S (direct)
micro-moduler.dkPunktum dk A/S (direct)
micromodul.dkPunktum dk A/S (direct)
micromoduler.dkPunktum dk A/S (direct)
professionsuddannelser.dkDANDOMAIN A/S
profordbog.dkDANDOMAIN A/S
psem.dkDANDOMAIN A/S
pædagog.dkDANDOMAIN A/S
roedstueibiografen.dkDANDOMAIN A/S
skolenibiografen.dkONE.COM A/S
sponsorkonsulent.dkDANDOMAIN A/S
sportogeventmanagment.dkDANDOMAIN A/S
turistbachelor.dkDANDOMAIN A/S
ucn-act2learn.dkDANDOMAIN A/S
ucn-viden.dkDANDOMAIN A/S
ucn.dkDANDOMAIN A/S
ucnbib.dkDANDOMAIN A/S
ucnnextstep.dkDANDOMAIN A/S
ucnnorth.dkDANDOMAIN A/S
ucnorth.dkDANDOMAIN A/S
ucnpointer.dkDANDOMAIN A/S
ucnviden.dkDANDOMAIN A/S
ucnwebhosting.dkONE.COM A/S
uddannelse-i-hjoerring.dkDANDOMAIN A/S
uddannelse-i-hjørring.dkDANDOMAIN A/S
uddannelse-i-thisted.dkDANDOMAIN A/S
uddannelseihjørring.dkDANDOMAIN A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
36ms
A
30ms
MX
47ms
AAAA
47ms
TXT
149ms
CAA
39ms
HTTPS
38ms
TLSA
51ms
SOA
41ms
MTA-STS
62ms
DNSSEC
108ms
SRV
58ms
Total
578ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-07 18:12:44 1446ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-07 18:01:22 shown 578ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-30 13:27:12 641ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-30 00:40:37 463ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-18 22:26:49 3012ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-26 20:50:53 10357ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-09 17:52:28 3975ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-08 13:30:17 896ms 2 NS 2 A 0 MX ❓ Unknown
2026-07-02 13:17:44 1188ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-20 09:24:34 512ms 2 NS 2 A 0 MX ⚠️ Bogus
2026-06-17 13:22:17 676ms 2 NS 2 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone