a2app.dk

📜 Historical scan 2026-07-01 08:12:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a2app.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.79.107.1 is hosted by Microsoft Corporation (AS8075) in Germany. 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 32ms

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 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.79.107.1	3600s	—	AS8075	Microsoft Corporation	20.64.0.0/10	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 35ms

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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	20.79.107.1
🔶 Autoconfig	20.79.107.1

🔷 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 2026-10-13 00:02:27

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks a2app.dk: 20.79.107.1 (AS8075) www.a2app.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

62ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2026062301
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

32ms

31ms

35ms

AAAA

22ms

TXT

156ms

CAA

31ms

HTTPS

42ms

TLSA

48ms

SOA

31ms

MTA-STS

42ms

DNSSEC

62ms

SRV

51ms

Total

511ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-24 19:02:48	580ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-25 01:41:25	8958ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 08:11:13	8489ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 08:12:24 shown	511ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 09:27:14	779ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 00:15:16	5598ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 23:14:31	531ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:48:30	896ms	2 NS 1 A 4 MX	🔒 Secure