isprog.dk

📜 Historical scan 2026-06-17 14:00:57 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

isprog.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, eric.ns.cloudflare.com). It was registered on 11 April 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.41.36 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.dandomain.dk. 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 95ms

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 73ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.41.36	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.159.132	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 158ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx01.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records 81ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:9f84	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:2924	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 82ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.36,172.67.159.132 ech=AEX+DQBBNAAgACDAjIMLMdyoyKrz46qSONFPzN+RU0NXjPG5OscOQ8iLfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9f84,2606:4700:3035::6815:2924

📝 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 2026-10-09 12:53:37

www	104.21.41.36 172.67.159.132 2606:4700:3036::6815:2924 2606:4700:3037::ac43:9f84 (AS13335) (address records, no CNAME)
www vs bare domain	Same network isprog.dk: 104.21.41.36 172.67.159.132 2606:4700:3036::6815:2924 2606:4700:3037::ac43:9f84 (AS13335) www.isprog.dk: 104.21.41.36 172.67.159.132 2606:4700:3036::6815:2924 2606:4700:3037::ac43:9f84 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

203ms

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

🏷️ SOA#

79ms

Field	Value
Serial	2405871659
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 2026-10-11 10:20:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-04-11
Expires	2027-04-30 (194d)

🔗 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)
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)
matematikfesor.dk	Punktum dk A/S (direct)

Showing 100 of 151.

📋 WHOIS#

⏱️ Lookup Timing#

95ms

73ms

158ms

AAAA

81ms

TXT

2214ms

CAA

141ms

HTTPS

82ms

TLSA

168ms

SOA

79ms

MTA-STS

58ms

DNSSEC

203ms

SRV

0ms

Total

3952ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:53:37	745ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 04:07:51	599ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 15:07:24	1383ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 21:48:26	625ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 16:46:28	1155ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-14 17:56:45	1709ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 01:51:12	596ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-07 12:21:17	1370ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-17 08:05:32	944ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 23:39:55	824ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 21:24:13	1753ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 14:00:57 shown	3952ms	2 NS 2 A 1 MX	🔓 Insecure