1on.dk

📜 Historical scan 2026-06-25 02:22:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

1on.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 212.10.229.206 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. 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 269ms

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 454ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
212.10.229.206	43200s	—	AS39642	Sinal A/S	212.10.0.0/16	🇩🇰 Denmark	Ishøj

📧 MX Records#

7 records 223ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	aspmx.l.google.com	142.251.127.27 2a00:1450:4001:c21::1b	lcfrai-in-f27.1e100.net lcfrai-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt1.aspmx.l.google.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	43200s	alt2.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx2.googlemail.com	172.253.152.27 2a00:1450:4010:c22::1a	yulpptr-in-f27.1e100.net yulpptr-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx3.googlemail.com	192.178.211.26 2404:6800:4000:1025::1a	lcbomp-in-f26.1e100.net lcbomp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx4.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	43200s	aspmx5.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	212.10.229.206
🔶 Autoconfig	212.10.229.206

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 888ms

TXT Record
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (1on.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 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 22:38:54

www	212.10.229.206 (AS39642) (address records, no CNAME)
www vs bare domain	Same network 1on.dk: 212.10.229.206 (AS39642) www.1on.dk: 212.10.229.206 (AS39642)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	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.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

730ms

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

🏷️ SOA#

218ms

Field	Value
Serial	2026032501
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#

269ms

454ms

223ms

AAAA

247ms

TXT

888ms

CAA

228ms

HTTPS

245ms

TLSA

322ms

SOA

218ms

MTA-STS

271ms

DNSSEC

730ms

SRV

451ms

Total

2473ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 12:06:24	644ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-28 04:10:09	704ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-23 17:59:34	1004ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-25 15:40:39	929ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-25 00:34:33	869ms	2 NS 1 A 7 MX	🔒 Secure
2026-07-17 23:03:35	7402ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-25 02:22:18 shown	2473ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-23 06:27:59	855ms	2 NS 1 A 7 MX	⚠️ Bogus
2026-06-16 12:58:15	2371ms	2 NS 1 A 7 MX	🔒 Secure