ruilin.dk

📜 Historical scan 2026-08-22 15:16:54 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ruilin.dk is a .dk domain served by 2 nameservers (arnold.ns.cloudflare.com, ingrid.ns.cloudflare.com). It was registered on 26 June 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.43.131 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ruilin-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 63ms

Nameserver	IP addresses	PTR	ASN / ISP
arnold.ns.cloudflare.com	108.162.193.69 172.64.33.69 173.245.59.69 2606:4700:58::adf5:3b45 2803:f800:50::6ca2:c145 2a06:98c1:50::ac40:2145	arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com arnold.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ingrid.ns.cloudflare.com	108.162.192.165 172.64.32.165 173.245.58.165 2606:4700:50::adf5:3aa5 2803:f800:50::6ca2:c0a5 2a06:98c1:50::ac40:20a5	ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com ingrid.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 76ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.43.131	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.179.139	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 81ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	ruilin-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09:: 2a01:111:f403:ca09::2 2a01:111:f403:ca09::5 52.101.68.8 52.101.73.1 52.101.73.12 52.101.73.22	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 40.104.116.24

🔷 AAAA Records (IPv6)#

2 records 65ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:b38b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:2b83	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 63ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.43.131,172.67.179.139 ech=AEX+DQBBCgAgACBjXV+bFnJQpvAhnLIm5w8VW9g7wJVqcpHCqBYjHBj1DQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b38b,2606:4700:3035::6815:2b83

🔌 SRV Records#

1 records 112ms

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

📝 TXT Records#

2 records 273ms

TXT Record
protonmail-verification=50dc9f5b9eb7689de8d7475fd305f8d89e3df5a5
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.ruilin.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 2026-10-13 22:33:49

www	Exists, no address
www vs bare domain	www does not resolve ruilin.dk: 104.21.43.131 172.67.179.139 2606:4700:3032::ac43:b38b 2606:4700:3035::6815:2b83 (AS13335) www.ruilin.dk: no address (all like this)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ruilin.dk	9ifoBDJQ26GDhDk4LEjXpeDmB46kk2vGKcO90dzZNW8
TXT	_acme-challenge.ruilin.dk	IU7DWStzHzsPuUbJ3e_Tkt-pRz6H-kiXEpUojyIvif8

🔗 TLSA / DANE#

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

🔐 DNSSEC#

158ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412883990
Primary NS (MNAME)	arnold.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 13:38:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-06-26
Expires	2027-06-30 (250d)

📋 WHOIS#

⏱️ Lookup Timing#

63ms

76ms

81ms

AAAA

65ms

TXT

273ms

CAA

72ms

HTTPS

63ms

TLSA

138ms

SOA

0ms

MTA-STS

104ms

DNSSEC

158ms

SRV

112ms

Total

2032ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 22:33:49	1194ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-09 16:43:13	1525ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-30 10:56:48	1012ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-22 12:16:53	3362ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-31 16:27:40	2091ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-29 18:14:19	981ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 21:25:58	1889ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-22 15:16:54 shown	2032ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-11 21:53:33	6110ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-07 06:03:06	1883ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-11 03:54:46	2533ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-23 20:26:53	4921ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-22 19:57:04	1451ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-22 11:24:44	1081ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 08:53:44	1155ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 04:56:30	867ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-20 03:09:30	872ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 12:59:57	1553ms	2 NS 2 A 1 MX	🔒 Secure