app4all.dk

📜 Historical scan 2026-09-27 08:56:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

app4all.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 October 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.239 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.239	10800s	web1.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	app4all.dk → 185.21.41.239
🔶 Autoconfig	app4all.dk → 185.21.41.239

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 22:38:31

www	185.21.41.239 (AS48854) (address records, no CNAME)
www vs bare domain	Same network app4all.dk: 185.21.41.239 (AS48854) www.app4all.dk: 185.21.41.239 (AS48854)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.app4all.dk	app4all.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026090901
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-10 22:49:28

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-10-01
Expires	2026-10-31 (13d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

34ms

37ms

AAAA

38ms

TXT

159ms

CAA

46ms

HTTPS

39ms

TLSA

38ms

SOA

0ms

MTA-STS

52ms

DNSSEC

79ms

SRV

59ms

Total

536ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 22:38:31	399ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 13:15:14	405ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 08:56:35 shown	536ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-12 23:13:34	1010ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 22:24:24	573ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 06:44:54	2827ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-15 22:02:54	637ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 21:26:41	8715ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 20:49:49	451ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:36:15	611ms	2 NS 1 A 0 MX	🔒 Secure