dcy.dk

Records from scan: 2026-10-10 21:53:31 · 1317ms total · last checked 2026-10-25 04:56 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dcy.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 November 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 137.117.252.151 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by dcy-dk.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 29ms

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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
137.117.252.151	43200s	—	AS8075	Microsoft Corporation	137.116.0.0/15	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	43200s	dcy-dk.mail.protection.outlook.com	2a01:111:f403:ca09::28 2a01:111:f403:ca21::c 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::12 52.101.209.153 52.101.68.8 52.101.91.156 52.101.91.162	mail-am6pr02cu00300.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-maspr04cu00104.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	dcy.dk → 137.117.252.151

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 138ms

TXT Record
MS=ms52450694
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (dcy.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#

checked 2026-10-10 21:53:31

www CNAME	dcy.dk (all on dcy.dk) → 137.117.252.151 (AS8075)
www vs bare domain	Same network dcy.dk: 137.117.252.151 (AS8075) www.dcy.dk: 137.117.252.151 (AS8075)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.dcy.dk	dcy.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

111ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2026101001
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 2026-10-05 21:32:07

Field	Value
Registrar	ONE.COM A/S
Registered	2013-11-18
Expires	2027-08-31 (310d)

📋 WHOIS#

⏱️ Lookup Timing#

29ms

36ms

30ms

AAAA

37ms

TXT

138ms

CAA

32ms

HTTPS

38ms

TLSA

607ms

SOA

43ms

MTA-STS

49ms

DNSSEC

111ms

SRV

91ms

Total

1317ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 21:53:31 shown	1317ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 06:40:19	1078ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-14 19:40:09	2283ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 23:44:33	2507ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 14:59:48	5688ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-16 16:44:15	1322ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 01:33:20	1268ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-03 00:16:53	928ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 06:16:55	2203ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 02:22:55	773ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 12:36:20	3117ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 22:25:54	943ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 01:35:17	2308ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 19:48:16	977ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 01:24:32	566ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 01:21:20	684ms	2 NS 1 A 1 MX	🔒 Secure