chuang.dk

Records from scan: 2026-10-06 23:01:06 · 1375ms total · last checked 2026-10-17 09:20 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

chuang.dk is a .dk domain served by 2 nameservers (diva.ns.cloudflare.com, rocky.ns.cloudflare.com). It was registered on 4 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by chuang-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
diva.ns.cloudflare.com	108.162.192.97 172.64.32.97 173.245.58.97 2606:4700:50::adf5:3a61 2803:f800:50::6ca2:c061 2a06:98c1:50::ac40:2061	diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com diva.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rocky.ns.cloudflare.com	108.162.193.227 172.64.33.227 173.245.59.227 2606:4700:58::adf5:3be3 2803:f800:50::6ca2:c1e3 2a06:98c1:50::ac40:21e3	rocky.ns.cloudflare.com rocky.ns.cloudflare.com rocky.ns.cloudflare.com rocky.ns.cloudflare.com rocky.ns.cloudflare.com rocky.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	chuang-dk.mail.protection.outlook.com	2a01:111:f403:ca27:: 2a01:111:f403:ca2d:: 2a01:111:f403:ca2d::1 2a01:111:f403:ca2d::2 52.101.168.0 52.101.170.0 52.101.170.1 52.101.170.2	mail-beup281cu00100.inbound.protection.outlook.com mail-fr5p281cu00500.inbound.protection.outlook.com mail-fr4p281cu03101.inbound.protection.outlook.com mail-fr6p281cu00202.inbound.protection.outlook.com mail-beup281cu00100.inbound.protection.outlook.com mail-fr5p281cu00500.inbound.protection.outlook.com mail-fr4p281cu03101.inbound.protection.outlook.com mail-fr6p281cu00202.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 → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 95ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 187ms

TXT Record
MS=ms32648053
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (chuang.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 2026-10-07 23:03:40

www	NXDOMAIN
www vs bare domain	Neither resolves chuang.dk: no address www.chuang.dk: no address
Wildcard	No

🔎 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#

90ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

52ms

Field	Value
Serial	2416803977
Primary NS (MNAME)	diva.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-02 22:26:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-09-04
Expires	2027-09-03 (320d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

50ms

25ms

AAAA

35ms

TXT

187ms

CAA

48ms

HTTPS

43ms

TLSA

837ms

SOA

52ms

MTA-STS

74ms

DNSSEC

90ms

SRV

95ms

Total

1375ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 23:01:06 shown	1375ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-02 21:43:48	1063ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-30 21:36:44	749ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-30 01:39:48	1175ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-27 16:17:08	842ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-04 11:27:53	3646ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-25 06:14:20	1587ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-07 12:56:59	1507ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 20:45:37	2517ms	2 NS 0 A 1 MX	🔓 Insecure