a773.dk

📜 Historical scan 2026-08-14 05:40:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a773.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 July 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.93.185.27 is hosted by TDC Holding A/S (AS3292) 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 52ms

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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
83.93.185.27	600s	83-93-185-27-dynamic.dk.customer.tdc.net	AS3292	TDC Holding A/S	83.93.176.0/20	🇩🇰 Denmark	Valby

📧 MX Records#

1 records 66ms

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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	83.93.185.27
🔶 Autoconfig	83.93.185.27

🔷 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 2026-10-09 07:09:09

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Different networks a773.dk: 83.93.185.27 (AS3292) www.a773.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.tutanota.de	RSA · ~2048 bit
s2	s2.domainkey.tutanota.de	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

110ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2026072001
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 2026-10-11 05:56:20

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-07-03
Expires	2027-07-31 (287d)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

55ms

66ms

AAAA

70ms

TXT

223ms

CAA

63ms

HTTPS

74ms

TLSA

49ms

SOA

37ms

MTA-STS

78ms

DNSSEC

110ms

SRV

72ms

Total

4703ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-04 04:50:53	557ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 05:39:11	738ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 20:10:14	1058ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-18 09:42:03	1022ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-07 00:35:32	1107ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-20 14:37:14	1851ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-18 13:32:46	3179ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-14 05:40:32 shown	4703ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-21 21:22:09	536ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 12:14:50	594ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 20:04:42	578ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 02:45:40	2386ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 21:12:04	1150ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 08:43:20	456ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 12:46:32	463ms	2 NS 1 A 0 MX	🔒 Secure