big9.dk

📜 Historical scan 2026-06-16 14:29:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

big9.dk is a .dk domain served by 2 nameservers (june.ns.cloudflare.com, noah.ns.cloudflare.com). It was registered on 5 October 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.23.203 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by big9-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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
june.ns.cloudflare.com	—	—	—
noah.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.23.203	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.61	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	big9-dk.mail.protection.outlook.com	52.101.68.12 52.101.68.16 52.101.68.21 52.101.73.22	mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:d53d	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:17cb	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 27ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.203,172.67.213.61 ech=AEX+DQBBkQAgACClJENMjJCKs8qIfd+04OvwQP4hU5mfUQK6PmcbIChPAAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d53d,2606:4700:3036::6815:17cb

📝 TXT Records#

1 records 158ms

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

✉️ SPF#

Policy	Record (big9.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

Policy	Record (_dmarc.big9.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:f21e4e523fc247708b53a7490d970735@dmarc-reports.cloudflare.net,mailto:dmarc@bet25.dk; aspf=s; adkim=s; pct=100

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

11 records 31ms

Flags	Tag	Value
0	iodef	mailto:hostmaster@bet25.dk
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 13:16:10

www	104.21.23.203 172.67.213.61 2606:4700:3031::6815:17cb 2606:4700:3035::ac43:d53d (AS13335) (address records, no CNAME)
www vs bare domain	Same network big9.dk: 104.21.23.203 172.67.213.61 2606:4700:3031::6815:17cb 2606:4700:3035::ac43:d53d (AS13335) www.big9.dk: 104.21.23.203 172.67.213.61 2606:4700:3031::6815:17cb 2606:4700:3035::ac43:d53d (AS13335)
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

94ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2406613809
Primary NS (MNAME)	june.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 13:50:45

Field	Value
Registrar	NETIM
Registered	2021-10-05
Expires	2027-10-04 (352d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

29ms

AAAA

32ms

TXT

158ms

CAA

31ms

HTTPS

27ms

TLSA

76ms

SOA

31ms

MTA-STS

34ms

DNSSEC

94ms

SRV

0ms

Total

917ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:16:09	2180ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-22 22:47:41	1522ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-19 08:03:47	2204ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-15 14:20:20	1875ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-13 05:51:22	1917ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-13 05:49:21	1849ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-22 01:46:17	2394ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-18 22:57:53	4392ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-09 01:05:43	3631ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-22 14:37:16	2084ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-21 04:04:21	1732ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-15 08:07:29	1564ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-05 18:08:30	3714ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-05 17:55:28	18069ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-21 03:26:15	1844ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 14:29:19 shown	917ms	2 NS 2 A 1 MX	🔒 Secure