fysikkemifokus.dk

📜 Historical scan 2026-06-17 09:20:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fysikkemifokus.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, eric.ns.cloudflare.com). It was registered on 12 February 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.9.243 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 66ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	—	—	—
eric.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 61ms

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

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 77ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:9f3	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:a1c7	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 61ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.9.243,172.67.161.199 ech=AEX+DQBBBwAgACCqfmcfnIuoKJ5IlEf/fctMxRpLGzhWDr4T3BFQFMHreQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:9f3,2606:4700:3037::ac43:a1c7

📝 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 2026-10-11 19:43:53

www	104.21.9.243 172.67.161.199 2606:4700:3032::6815:9f3 2606:4700:3033::ac43:a1c7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network fysikkemifokus.dk: 104.21.9.243 172.67.161.199 2606:4700:3032::6815:9f3 2606:4700:3033::ac43:a1c7 (AS13335) www.fysikkemifokus.dk: 104.21.9.243 172.67.161.199 2606:4700:3032::6815:9f3 2606:4700:3033::ac43:a1c7 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

183ms

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

🏷️ SOA#

56ms

Field	Value
Serial	2405884077
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 2026-10-25 04:15:10

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-02-12
Expires	2027-02-28 (123d)

🔗 Same registrant#

352 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
0klasse.dk	Eurodns S.A
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)
alineaakademi.dk	Punktum dk A/S (direct)
alineadigital.dk	Punktum dk A/S (direct)
alvids.dk	Punktum dk A/S (direct)
aschehoug.dk	Punktum dk A/S (direct)
athene.dk	Punktum dk A/S (direct)
bingoweb.dk	Punktum dk A/S (direct)
biologifaget.dk	Eurodns S.A
biologifocus.dk	Punktum dk A/S (direct)
biologiproeven.dk	Punktum dk A/S (direct)
bliv-klog.dk	Punktum dk A/S (direct)
blivklog.dk	Punktum dk A/S (direct)
boegertildrenge.dk	Punktum dk A/S (direct)
bog.dk	Punktum dk A/S (direct)
bogdk.dk	DANDOMAIN A/S
bookguide.dk	Punktum dk A/S (direct)
bornsliv.dk	Punktum dk A/S (direct)
bureauetforstå.dk	DANDOMAIN A/S
børnehaveklassefaget.dk	Eurodns S.A
børneklubben.dk	Punktum dk A/S (direct)
børnihistorien.dk	Punktum dk A/S (direct)
børnsliv.dk	Punktum dk A/S (direct)
campengelsk.dk	Punktum dk A/S (direct)
campfransk.dk	Punktum dk A/S (direct)
campmat.dk	Punktum dk A/S (direct)
campstavning.dk	Punktum dk A/S (direct)
camptysk.dk	Punktum dk A/S (direct)
carlsen.dk	Punktum dk A/S (direct)
carlsencomics.dk	Punktum dk A/S (direct)
carlsenklubben.dk	Punktum dk A/S (direct)
carlsenpuls.dk	Punktum dk A/S (direct)
chrisanderson.dk	Punktum dk A/S (direct)
classteam.dk	Punktum dk A/S (direct)
clio.dk	Eurodns S.A
clioafgangsprøver.dk	Eurodns S.A
cliocloud.dk	Eurodns S.A
clioevalueringsopgaver.dk	Eurodns S.A
cliokompetence.dk	Eurodns S.A
clionoc.dk	Eurodns S.A
clioonline.dk	Eurodns S.A
clioproever.dk	Eurodns S.A
clioprøver.dk	Eurodns S.A
cliopulten.dk	Eurodns S.A
clioskole.dk	Eurodns S.A
clioskyen.dk	Eurodns S.A
cliotræning.dk	Eurodns S.A
cliotræningssæt.dk	Eurodns S.A
coronapåskemaet.dk	Punktum dk A/S (direct)
danmarksstørsteklasse.dk	Punktum dk A/S (direct)
dansk-historie.dk	Eurodns S.A
dansk-skolen.dk	Eurodns S.A
danskfessor.dk	Punktum dk A/S (direct)
danskhistorie.dk	Eurodns S.A
dansklandskabet.dk	Punktum dk A/S (direct)
danskprøven.dk	Punktum dk A/S (direct)
danskskole.dk	Eurodns S.A
danskskolen.dk	Eurodns S.A
dansktime.dk	Eurodns S.A
danskunivers.dk	Punktum dk A/S (direct)
de120ord.dk	Punktum dk A/S (direct)
denfoerstelaesning.dk	Punktum dk A/S (direct)
denfoerstelasning.dk	Punktum dk A/S (direct)
denforstelaesning.dk	Punktum dk A/S (direct)
denførstelæsning.dk	Punktum dk A/S (direct)
dersprung.dk	Punktum dk A/S (direct)
detlillefagbibliotek.dk	Punktum dk A/S (direct)
didakter.dk	Punktum dk A/S (direct)
didaktiker.dk	Punktum dk A/S (direct)
differentiering.dk	Punktum dk A/S (direct)
digibook.dk	Punktum dk A/S (direct)
digitalbook.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)
dragonball.dk	Punktum dk A/S (direct)
e-bookstore.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)
elevblog.dk	Punktum dk A/S (direct)
elevlab.dk	Punktum dk A/S (direct)
elevunivers.dk	Punktum dk A/S (direct)
engelskfaget.dk	Eurodns S.A
engelskfessor.dk	Punktum dk A/S (direct)
engelskskoleordbog.dk	Punktum dk A/S (direct)
engelskunivers.dk	Punktum dk A/S (direct)
erdugymnasieklar.dk	Punktum dk A/S (direct)

Showing 100 of 352.

📋 WHOIS#

⏱️ Lookup Timing#

66ms

61ms

52ms

AAAA

77ms

TXT

248ms

CAA

67ms

HTTPS

61ms

TLSA

2066ms

SOA

56ms

MTA-STS

63ms

DNSSEC

183ms

SRV

0ms

Total

2823ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 10:14:41	578ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-25 09:39:53	559ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-24 21:10:42	584ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-23 19:45:11	599ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-07 11:08:30	951ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-26 10:28:04	9871ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 09:20:42 shown	2823ms	2 NS 2 A 0 MX	🔓 Insecure