t-sy.dk

📜 Historical scan 2026-10-01 05:59:27 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

t-sy.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 January 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by tsy-dk0c.mail.protection.outlook.com. 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 134ms

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#

🌍

No A records found

📧 MX Records#

1 records 131ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	tsy-dk0c.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::10 2a01:111:f403:ca21::e 2a01:111:f403:ca38::a 52.101.103.140 52.101.185.24 52.101.73.155 52.101.91.21	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com mail-matpr05cu00105.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 253ms

TXT Record
MS=ms17557582
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (t-sy.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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 2026-10-14 07:33:51

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves t-sy.dk: no address www.t-sy.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

153ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

54ms

Field	Value
Serial	2026093001
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 2026-10-23 22:08:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-01-18
Expires	2027-04-30 (187d)

🔗 Same registrant#

15 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
96630006.dk	Punktum dk A/S (direct)
arka-it.dk	Punktum dk A/S (direct)
fmaps.dk	Punktum dk A/S (direct)
foderfabrikken.dk	Punktum dk A/S (direct)
ftp-transfer.dk	CURANET A/S
grangaarden-lemvig.dk	Punktum dk A/S (direct)
hjchristensen.dk	Punktum dk A/S (direct)
hvelektro.dk	ONE.COM A/S
ingcon.dk	Punktum dk A/S (direct)
intino.dk	CURANET A/S
itino.dk	Punktum dk A/S (direct)
lemvigdata.dk	Punktum dk A/S (direct)
skovgaardinvest.dk	Punktum dk A/S (direct)
uniconta-holstebro.dk	Punktum dk A/S (direct)
uniconta-lemvig.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

134ms

139ms

131ms

AAAA

133ms

TXT

253ms

CAA

138ms

HTTPS

130ms

TLSA

588ms

SOA

54ms

MTA-STS

145ms

DNSSEC

153ms

SRV

141ms

Total

1187ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 05:59:53	1622ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-01 05:59:27 shown	1187ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-27 03:55:17	1524ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-26 03:47:19	1414ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-24 02:59:10	913ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-31 14:59:01	1356ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-27 19:54:35	735ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-27 03:55:47	5389ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-25 21:47:45	1745ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-19 12:51:55	1208ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-17 15:10:40	835ms	2 NS 0 A 1 MX	❓ Unknown