rt16.dk

📜 Historical scan 2026-08-24 18:14:19  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rt16.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, dan.ns.cloudflare.com). It was registered on 26 November 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.18.83 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   31ms
NameserverIP addressesPTRASN / ISP
barbara.ns.cloudflare.com 108.162.192.248
172.64.32.248
173.245.58.248
2606:4700:50::adf5:3af8
2803:f800:50::6ca2:c0f8
2a06:98c1:50::ac40:20f8		 barbara.ns.cloudflare.com
barbara.ns.cloudflare.com
barbara.ns.cloudflare.com
barbara.ns.cloudflare.com
barbara.ns.cloudflare.com
barbara.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
dan.ns.cloudflare.com 108.162.193.108
172.64.33.108
173.245.59.108
2606:4700:58::adf5:3b6c
2803:f800:50::6ca2:c16c
2a06:98c1:50::ac40:216c		 dan.ns.cloudflare.com
dan.ns.cloudflare.com
dan.ns.cloudflare.com
dan.ns.cloudflare.com
dan.ns.cloudflare.com
dan.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   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
104.21.18.83 300s — AS13335 Cloudflare, Inc. 104.21.0.0/17 — —
172.67.181.64 300s — AS13335 Cloudflare, Inc. 172.67.128.0/17 — —

📧 MX Records#

📧
No MX records found

🔷 AAAA Records (IPv6)#

2 records   25ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:4700:3035::ac43:b540 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —
2606:4700:3036::6815:1253 300s — AS13335 Cloudflare, Inc. 2606:4700:3000:0:0:0:0:0/42 — —

🔐 HTTPS Records#

1 records   28ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.18.83,172.67.181.64 ech=AEX+DQBB9wAgACCwmr4TQvMbFTMSvbhGKEYke/IhSrzgP8WPsyKNuzNcawAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:b540,2606:4700:3036::6815:1253

📝 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 2026-10-20 22:51:10
www104.21.18.83 172.67.181.64 2606:4700:3035::ac43:b540 2606:4700:3036::6815:1253 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.rt16.dk GFkUZVrwCkPbSJDtA-dVsPCb9zgDo5Tw-fJvuK18Xd4
TXT _acme-challenge.rt16.dk TfU81HYqEqrcchgVe5ppqgsdNEPy203GE6S_mnA8E3M

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2413073168
Primary NS (MNAME)barbara.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-20 23:02:12
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-11-26
Expires2026-11-30 (39d)

🔗 Same registrant#

199 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
123festdjs.dkPunktum dk A/S (direct)
1april.dkPunktum dk A/S (direct)
24-1service.dkPunktum dk A/S (direct)
247tilbud.dkPunktum dk A/S (direct)
24opdateret.dkPunktum dk A/S (direct)
3go.dkPunktum dk A/S (direct)
3hg.dkPunktum dk A/S (direct)
4pro.dkPunktum dk A/S (direct)
7seconds.dkPunktum dk A/S (direct)
8752-ostbirk.dkPunktum dk A/S (direct)
8ball.dkPunktum dk A/S (direct)
absb.dkPunktum dk A/S (direct)
adit.dkPunktum dk A/S (direct)
aforum.dkPunktum dk A/S (direct)
akantus-maler.dkPunktum dk A/S (direct)
alu-info.dkPunktum dk A/S (direct)
anarcho.dkPunktum dk A/S (direct)
animalis.dkPunktum dk A/S (direct)
annewinthershop.dkPunktum dk A/S (direct)
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archfutura.dkPunktum dk A/S (direct)
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aventure.dkPunktum dk A/S (direct)
azurmalerne.dkPunktum dk A/S (direct)
bakkegarden.dkPunktum dk A/S (direct)
be-my-shadow.dkPunktum dk A/S (direct)
bfis.dkPunktum dk A/S (direct)
bfkc.dkPunktum dk A/S (direct)
bimp.dkPunktum dk A/S (direct)
biocenter.dkPunktum dk A/S (direct)
bksmash.dkPunktum dk A/S (direct)
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buksepigen.dkPunktum dk A/S (direct)
burmesecats.dkPunktum dk A/S (direct)
calls.dkPunktum dk A/S (direct)
chemtox.dkPunktum dk A/S (direct)
cinegraf.dkPunktum dk A/S (direct)
clr.dkPunktum dk A/S (direct)
comedancewithme.dkPunktum dk A/S (direct)
coolbeauty.dkPunktum dk A/S (direct)
copenhagenartrun.dkPunktum dk A/S (direct)
corewear.dkPunktum dk A/S (direct)
crap.dkPunktum dk A/S (direct)
customproductsplugin.dkPunktum dk A/S (direct)
cykelevent.dkPunktum dk A/S (direct)
cyklingfyn.dkPunktum dk A/S (direct)
dandele.dkPunktum dk A/S (direct)
dbdok.dkPunktum dk A/S (direct)
debusy.dkPunktum dk A/S (direct)
delicious-vejle.dkPunktum dk A/S (direct)
den-tyske-jagtterrier.dkPunktum dk A/S (direct)
denstorenyhed.dkPunktum dk A/S (direct)
divecenter.dkPunktum dk A/S (direct)
dmgmalt.dkPunktum dk A/S (direct)
dor.dkPunktum dk A/S (direct)
dortekarrebaek.dkPunktum dk A/S (direct)
duas-bolig.dkPunktum dk A/S (direct)
duasbolig.dkSimply.com A/S
duckfall.dkPunktum dk A/S (direct)
e-3.dkPunktum dk A/S (direct)
e-papir.dkPunktum dk A/S (direct)
e2000.dkPunktum dk A/S (direct)
efor.dkPunktum dk A/S (direct)
egnskoret.dkPunktum dk A/S (direct)
elcom.dkPunktum dk A/S (direct)
elektronik-forsikring2.dkPunktum dk A/S (direct)
eng-husene.dkPunktum dk A/S (direct)
erc.dkPunktum dk A/S (direct)
fanten.dkPunktum dk A/S (direct)
fgu-281041.dkPunktum dk A/S (direct)
findure.dkPunktum dk A/S (direct)
finger-touch.dkPunktum dk A/S (direct)
fingertouch.dkPunktum dk A/S (direct)
fkst.dkPunktum dk A/S (direct)
foto-print.dkPunktum dk A/S (direct)
franske-negle.dkPunktum dk A/S (direct)
fridykkerforum.dkPunktum dk A/S (direct)
frisorprodukter.dkPunktum dk A/S (direct)
fugtogindeklima.dkPunktum dk A/S (direct)
futureelite.dkPunktum dk A/S (direct)
fuze.dkPunktum dk A/S (direct)
galleri-b.dkPunktum dk A/S (direct)
gallericlifford.dkPunktum dk A/S (direct)
glad-ledelse.dkPunktum dk A/S (direct)
green-balance.dkPunktum dk A/S (direct)
haarby-bio.dkPunktum dk A/S (direct)
hentfaktura.dkPunktum dk A/S (direct)
himmelskehund.dkPunktum dk A/S (direct)
htp-iso.dkPunktum dk A/S (direct)
huekoersel.dkPunktum dk A/S (direct)
ikk.dkPunktum dk A/S (direct)
ildfolket.dkPunktum dk A/S (direct)
insanma.dkPunktum dk A/S (direct)
internetgaver.dkPunktum dk A/S (direct)
it24.dkPunktum dk A/S (direct)
iyc.dkPunktum dk A/S (direct)
jagtskabe.dkPunktum dk A/S (direct)
kahla.dkPunktum dk A/S (direct)

Showing 100 of 199.

📋 WHOIS#

⏱️ Lookup Timing#

NS
31ms
A
31ms
MX
26ms
AAAA
25ms
TXT
16205ms
CAA
30ms
HTTPS
28ms
TLSA
55ms
SOA
0ms
MTA-STS
38ms
DNSSEC
114ms
SRV
8071ms
Total
16578ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-20 22:51:10 1653ms 2 NS 2 A 0 MX 🔓 Insecure
2026-10-13 10:56:04 391ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-27 07:07:50 499ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-10 20:17:27 1475ms 2 NS 2 A 0 MX 🔓 Insecure
2026-09-03 16:55:33 1020ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-31 01:28:40 485ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-28 04:13:25 624ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-24 18:14:19 shown 16578ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-21 11:13:05 1506ms 2 NS 2 A 0 MX 🔓 Insecure
2026-08-09 09:46:27 9842ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-04 20:43:58 923ms 2 NS 2 A 0 MX 🔓 Insecure
2026-07-02 11:49:48 1453ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-24 13:08:58 2062ms 2 NS 2 A 0 MX 🔓 Insecure
2026-06-17 22:54:16 822ms 2 NS 2 A 0 MX 🔓 Insecure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone