superreaders.dk

📜 Historical scan 2026-09-07 14:58:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

superreaders.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, eric.ns.cloudflare.com). It was registered on 31 August 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.45.50 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 121ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eric.ns.cloudflare.com	108.162.193.112 172.64.33.112 173.245.59.112 2606:4700:58::adf5:3b70 2803:f800:50::6ca2:c170 2a06:98c1:50::ac40:2170	eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.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 95ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.45.50	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.209.182	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 145ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:2d32	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d1b6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 65ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.45.50,172.67.209.182 ech=AEX+DQBBlwAgACAzrvNhmeZ+QRloBpZbGvPsq9RiKRyzWQ/5sO/rTRf/IQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:2d32,2606:4700:3035::ac43:d1b6

📝 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 2026-10-10 11:21:21

www	104.21.45.50 172.67.209.182 2606:4700:3033::6815:2d32 2606:4700:3035::ac43:d1b6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network superreaders.dk: 104.21.45.50 172.67.209.182 2606:4700:3033::6815:2d32 2606:4700:3035::ac43:d1b6 (AS13335) www.superreaders.dk: 104.21.45.50 172.67.209.182 2606:4700:3033::6815:2d32 2606:4700:3035::ac43:d1b6 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.superreaders.dk	8Y9M9ddGoEVkIqPprNyX3D-I8YIgHlQWnio78BN_vy4
TXT	_acme-challenge.superreaders.dk	GEmzEXWnoHAwmmgIemumD2wKwEPTxLitBnDNP9MaQH4

🔗 TLSA / DANE#

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

🔐 DNSSEC#

164ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2414128887
Primary NS (MNAME)	cortney.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-12 14:24:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-08-31
Expires	2027-08-31 (317d)

🔗 Same registrant#

151 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).

Domain	Registrar
0klassefaget.dk	Eurodns S.A
1094.dk	Punktum dk A/S (direct)
5emner.dk	Punktum dk A/S (direct)
5nyeemner.dk	Punktum dk A/S (direct)
ad-dev.dk	Punktum dk A/S (direct)
ad-prod.dk	Punktum dk A/S (direct)
ad-staging.dk	Punktum dk A/S (direct)
ad-test.dk	Punktum dk A/S (direct)
afgangsprøver.dk	Eurodns S.A
aigo.dk	Punktum dk A/S (direct)
alinea-web.dk	Punktum dk A/S (direct)
alinea.dk	Punktum dk A/S (direct)
alineadigital.dk	Punktum dk A/S (direct)
athene.dk	Punktum dk A/S (direct)
bingoweb.dk	Punktum dk A/S (direct)
blivklog.dk	Punktum dk A/S (direct)
bog.dk	Punktum dk A/S (direct)
bookguide.dk	Punktum dk A/S (direct)
bornsliv.dk	Punktum dk A/S (direct)
camptysk.dk	Punktum dk A/S (direct)
carlsen.dk	Punktum dk A/S (direct)
classteam.dk	Punktum dk A/S (direct)
clio.dk	Eurodns S.A
cliocloud.dk	Eurodns S.A
clioevalueringsopgaver.dk	Eurodns S.A
clionoc.dk	Eurodns S.A
cliopulten.dk	Eurodns S.A
clioskole.dk	Eurodns S.A
clioskyen.dk	Eurodns S.A
cliotræning.dk	Eurodns S.A
dansk-skolen.dk	Eurodns S.A
danskfessor.dk	Punktum dk A/S (direct)
dansklandskabet.dk	Punktum dk A/S (direct)
danskskolen.dk	Eurodns S.A
dansktime.dk	Eurodns S.A
danskunivers.dk	Punktum dk A/S (direct)
denførstelæsning.dk	Punktum dk A/S (direct)
digitalfaget.dk	Eurodns S.A
dmiklassematematik.dk	Punktum dk A/S (direct)
dmimatematik.dk	Punktum dk A/S (direct)
dmmatematik.dk	Punktum dk A/S (direct)
easyreaders.dk	Punktum dk A/S (direct)
edspace.dk	Punktum dk A/S (direct)
edulab.dk	Punktum dk A/S (direct)
elevlab.dk	Punktum dk A/S (direct)
engelskfaget.dk	Eurodns S.A
engelskfessor.dk	Punktum dk A/S (direct)
engelskunivers.dk	Punktum dk A/S (direct)
eskolebog.dk	Punktum dk A/S (direct)
faerdighedsproeven.dk	Punktum dk A/S (direct)
familiefessor.dk	Punktum dk A/S (direct)
fesor.dk	Punktum dk A/S (direct)
fessor.dk	Punktum dk A/S (direct)
fessordysten.dk	Punktum dk A/S (direct)
fessorsaktiviteter.dk	Punktum dk A/S (direct)
fessorsfamilie.dk	Punktum dk A/S (direct)
fessorskurser.dk	Punktum dk A/S (direct)
fessorstalkuffert.dk	Punktum dk A/S (direct)
filmabc.dk	Punktum dk A/S (direct)
fleksbog.dk	Punktum dk A/S (direct)
fleksbogen.dk	Punktum dk A/S (direct)
flexbog.dk	Punktum dk A/S (direct)
forfatter.dk	Punktum dk A/S (direct)
forlagetturbo.dk	Punktum dk A/S (direct)
formatnet.dk	Punktum dk A/S (direct)
franskfessor.dk	Punktum dk A/S (direct)
fysik-kemi-timen.dk	Eurodns S.A
fysik-kemifokus.dk	Punktum dk A/S (direct)
fysiktalent.dk	Punktum dk A/S (direct)
gekko-engelsk.dk	Punktum dk A/S (direct)
gekko-fransk.dk	Punktum dk A/S (direct)
gekko-tysk.dk	Punktum dk A/S (direct)
gekkotysk.dk	Punktum dk A/S (direct)
gymnasie-portalen.dk	Punktum dk A/S (direct)
haandvaerkdesignfaget.dk	Eurodns S.A
historieunivers.dk	Punktum dk A/S (direct)
håndværkdesignfaget.dk	Eurodns S.A
i-skolebogen.dk	Punktum dk A/S (direct)
innovationfaget.dk	Eurodns S.A
iskolebog.dk	Punktum dk A/S (direct)
isprog.dk	Punktum dk A/S (direct)
istav.dk	Punktum dk A/S (direct)
iwbunivers.dk	Punktum dk A/S (direct)
kalenderfessor.dk	Punktum dk A/S (direct)
klimafessor.dk	Punktum dk A/S (direct)
klogpaanaturfag.dk	Eurodns S.A
komma.dk	Punktum dk A/S (direct)
kristendomskundskab.dk	Eurodns S.A
lindhardt-og-ringhof.dk	Punktum dk A/S (direct)
lindhardtringhof.dk	Punktum dk A/S (direct)
lindhardtringhofbusiness.dk	Punktum dk A/S (direct)
lindhart-ringhof.dk	Punktum dk A/S (direct)
lindhartringhof.dk	Punktum dk A/S (direct)
logrweb.dk	Punktum dk A/S (direct)
lrdigital.dk	ONE.COM A/S
lrlive.dk	Punktum dk A/S (direct)
lru.dk	Punktum dk A/S (direct)
lruddannelse.dk	Punktum dk A/S (direct)
lrurag.dk	Punktum dk A/S (direct)
matematikdm.dk	Punktum dk A/S (direct)

Showing 100 of 151.

📋 WHOIS#

⏱️ Lookup Timing#

121ms

95ms

78ms

AAAA

145ms

TXT

271ms

CAA

95ms

HTTPS

65ms

TLSA

517ms

SOA

0ms

MTA-STS

112ms

DNSSEC

164ms

SRV

156ms

Total

1209ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 06:40:47	485ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-02 17:32:11	460ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 16:48:08	494ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-18 07:36:08	717ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-13 16:02:51	1257ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-07 14:58:30 shown	1209ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 08:00:50	541ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 17:25:58	572ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-10 04:07:36	16822ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-08 00:53:48	1015ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 19:31:08	817ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-21 17:53:48	1194ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 05:32:10	537ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-20 02:19:28	815ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 15:17:06	624ms	2 NS 2 A 0 MX	🔓 Insecure