big9.dk

📜 Historical scan 2026-08-09 01:05:43 · ← 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 42ms

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 2058ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.23.203	298s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.61	298s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	big9-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca09::1 2a01:111:f403:ca09::b 52.101.68.15 52.101.68.21 52.101.68.29 52.101.73.11	mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am1pr04cu00103.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 → 40.104.116.8

🔷 AAAA Records (IPv6)#

2 records 54ms

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 57ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.203,172.67.213.61 ech=AEX+DQBBAwAgACDKoapICJ1xaAjscRBRJUJhO2gTwHbTpzUCWv3YkKxtUgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:17cb,2606:4700:3035::ac43:d53d

📝 TXT Records#

1 records 204ms

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 51ms

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#

95ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2410761013
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#

42ms

2058ms

55ms

AAAA

54ms

TXT

204ms

CAA

51ms

HTTPS

57ms

TLSA

356ms

SOA

0ms

MTA-STS

79ms

DNSSEC

95ms

SRV

76ms

Total

3631ms

🕐 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 shown	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