tachoonline.dk

📜 Historical scan 2026-09-29 22:50:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tachoonline.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 9.205.42.0 is hosted by Microsoft Corporation (AS8075) in Denmark. Mail is handled by tachoonline-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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#

4 records 35ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
9.205.42.0	600s	—	AS8075	Microsoft Corporation	9.205.0.0/16	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	tachoonline-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca21::10 2a01:111:f403:ca21::8 2a01:111:f403:ca21::e 52.101.185.21 52.101.68.10 52.101.68.27 52.101.91.162	mail-db4pr02cu00204.inbound.protection.outlook.com mail-matpr05cu00100.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-matpr04cu00302.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56
🔶 Autoconfig	4.210.144.83

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 115ms

TXT Record
google-site-verification=7vwItz3MupXGJ9pE0OxaltNAmaJjjA3RzbiWeIbn-gs
v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (tachoonline.dk)
-all (hard fail)	v=spf1 include:spf.mailjet.com include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.tachoonline.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tlsrpt@1n7ksksn.uriports.com

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 00:52:30

www CNAME	tachoonline-wp-h5bcfxefbqe2a4dp.denmarkeast-01.azurewebsites.net (all on azurewebsites.net) → 9.205.42.0 (AS8075)
www vs bare domain	Same network tachoonline.dk: 9.205.42.0 (AS8075) www.tachoonline.dk: 9.205.42.0 (AS8075)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-tachoonline-dk._domainkey.tachoonline.onmicrosoft.com	RSA · ~1024 bit below 2048 bit
selector2	selector2-tachoonline-dk._domainkey.tachoonline.onmicrosoft.com	RSA · ~1024 bit below 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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

52ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026080503
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

35ms

33ms

34ms

AAAA

26ms

TXT

115ms

CAA

28ms

HTTPS

27ms

TLSA

582ms

SOA

0ms

MTA-STS

41ms

DNSSEC

52ms

SRV

53ms

Total

923ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 00:52:29	1827ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-07 14:31:49	1037ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 05:40:25	961ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-01 05:31:14	690ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-29 22:50:55 shown	923ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-24 13:08:28	1199ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-05 13:58:44	2851ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:07:16	871ms	4 NS 1 A 1 MX	🔒 Secure