isprog.dk

Records from scan: 2026-10-09 12:53:37 · 745ms total · last checked 2026-10-17 00:07 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 35ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.41.36	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.159.132	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx01.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:2924	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:9f84	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.36,172.67.159.132 ech=AEX+DQBByQAgACDP8GQzsa/W6e8MrE5aA49KvQdXbhUQC/U/khKIXUU+NwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:2924,2606:4700:3037::ac43:9f84

📝 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#

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#

112ms

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

🏷️ SOA#

26ms

Field	Value
Serial	2416095321
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#

144 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-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)
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)
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)
matematikguide.dk	Punktum dk A/S (direct)
matematikmanual.dk	Punktum dk A/S (direct)
matematikstafetten.dk	Punktum dk A/S (direct)
matematiktræning.dk	Punktum dk A/S (direct)

Showing 100 of 144.

📋 WHOIS#

⏱️ Lookup Timing#

35ms

38ms

44ms

AAAA

41ms

TXT

157ms

CAA

43ms

HTTPS

39ms

TLSA

111ms

SOA

26ms

MTA-STS

55ms

DNSSEC

112ms

SRV

53ms

Total

745ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 12:53:37 shown	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	3952ms	2 NS 2 A 1 MX	🔓 Insecure