big9.dk

📜 Historical scan 2026-09-13 05:51:22 · ← 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 133ms

Nameserver	IP addresses	PTR	ASN / ISP
june.ns.cloudflare.com	108.162.192.176 172.64.32.176 173.245.58.176 2606:4700:50::adf5:3ab0 2803:f800:50::6ca2:c0b0 2a06:98c1:50::ac40:20b0	june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com june.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
noah.ns.cloudflare.com	108.162.193.133 172.64.33.133 173.245.59.133 2606:4700:58::adf5:3b85 2803:f800:50::6ca2:c185 2a06:98c1:50::ac40:2185	noah.ns.cloudflare.com noah.ns.cloudflare.com noah.ns.cloudflare.com noah.ns.cloudflare.com noah.ns.cloudflare.com noah.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 116ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.23.203	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.61	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 122ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	big9-dk.mail.protection.outlook.com	2a01:111:f403:ca21::c 2a01:111:f403:ca3c::6 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::8 52.101.103.137 52.101.209.153 52.101.68.15 52.101.68.16	mail-matpr04cu00204.inbound.protection.outlook.com mail-zrxpr04cu00106.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00400.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 → 40.99.222.184

🔷 AAAA Records (IPv6)#

2 records 88ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:17cb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d53d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 88ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.203,172.67.213.61 ech=AEX+DQBBCgAgACBWMwYrgkyZueuM7oYd1gKAPZTWlFKwPZYcscqDuuAhMgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:17cb,2606:4700:3035::ac43:d53d

📝 TXT Records#

1 records 533ms

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 99ms

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

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.big9.dk	4dGmYof6A8_24mXYrvn_tOIjRL_nl_y2bB7izEGQC0M
TXT	_acme-challenge.big9.dk	akiQm_FG1yn2EcrNkB2ViMGyEJaRd-RB_fczpCk-o5A

🔗 TLSA / DANE#

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

🔐 DNSSEC#

181ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2414632025
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 2026-10-17 14:58:37

Field	Value
Registrar	NETIM
Registered	2021-10-05
Expires	2027-10-04 (351d)

🔗 Same registrant#

16 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
25rød.dk	NETIM
b25.dk	NETIM
bet25-heste.dk	NETIM
bet25.dk	NETIM
bet25derby.dk	NETIM
bet25dev2.dk	NETIM
bet25horse.dk	NETIM
bet25kasino.dk	NETIM
bet25live.dk	NETIM
bet25test.dk	NETIM
bingo25.dk	NETIM
casinogo.dk	NETIM
esport25.dk	NETIM
franzi25.dk	NETIM
red25.dk	NETIM
rød25.dk	NETIM

📋 WHOIS#

⏱️ Lookup Timing#

133ms

116ms

122ms

AAAA

88ms

TXT

533ms

CAA

99ms

HTTPS

88ms

TLSA

231ms

SOA

0ms

MTA-STS

123ms

DNSSEC

181ms

SRV

679ms

Total

1917ms

🕐 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 shown	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	917ms	2 NS 2 A 1 MX	🔒 Secure