back2sport.dk

Records from scan: 2026-10-01 07:55:59 · 1196ms total · last checked 2026-10-17 00:16 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

back2sport.dk is a .dk domain served by 2 nameservers (dimitris.ns.cloudflare.com, ursula.ns.cloudflare.com). It was registered on 27 January 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.251 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by back2sport-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 56ms

Nameserver	IP addresses	PTR	ASN / ISP
dimitris.ns.cloudflare.com	108.162.195.6 162.159.44.6 172.64.35.6 2606:4700:58::a29f:2c06 2803:f800:50::6ca2:c306 2a06:98c1:50::ac40:2306	dimitris.ns.cloudflare.com dimitris.ns.cloudflare.com dimitris.ns.cloudflare.com dimitris.ns.cloudflare.com dimitris.ns.cloudflare.com dimitris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ursula.ns.cloudflare.com	108.162.194.191 162.159.38.191 172.64.34.191 2606:4700:50::a29f:26bf 2803:f800:50::6ca2:c2bf 2a06:98c1:50::ac40:22bf	ursula.ns.cloudflare.com ursula.ns.cloudflare.com ursula.ns.cloudflare.com ursula.ns.cloudflare.com ursula.ns.cloudflare.com ursula.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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.79.251	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.79	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	back2sport-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::f 2a01:111:f403:ca3c::a 2a01:111:f403:ca48::c 52.101.103.39 52.101.181.153 52.101.185.24 52.101.209.31	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-zrxpr07cu00102.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-cpjpr05cu00207.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	104.21.79.251
🔶 Autoconfig	104.21.79.251

🔷 AAAA Records (IPv6)#

2 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:ac4f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:4ffb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.79.251,172.67.172.79 ech=AEX+DQBBuAAgACBEKqOBo9rNAQzwWqgZ0c4KpnrXyZqJ/Dv1lOqMnuCRQAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:ac4f,2606:4700:3035::6815:4ffb

📝 TXT Records#

1 records 229ms

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

✉️ SPF#

Policy	Record (back2sport.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 2026-10-08 11:46:33

www	104.21.79.251 172.67.172.79 2606:4700:3033::ac43:ac4f 2606:4700:3035::6815:4ffb (AS13335) (address records, no CNAME)
www vs bare domain	Same network back2sport.dk: 188.114.96.1 188.114.97.1 2606:4700:3033::ac43:ac4f 2606:4700:3035::6815:4ffb (AS13335) www.back2sport.dk: 104.21.79.251 172.67.172.79 2606:4700:3033::ac43:ac4f 2606:4700:3035::6815:4ffb (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 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#

76ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

34ms

Field	Value
Serial	2415167861
Primary NS (MNAME)	dimitris.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 00:10:42

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-01-27
Expires	2027-01-31 (106d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

56ms

39ms

59ms

AAAA

50ms

TXT

229ms

CAA

84ms

HTTPS

49ms

TLSA

603ms

SOA

34ms

MTA-STS

57ms

DNSSEC

76ms

SRV

84ms

Total

1196ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 07:55:59 shown	1196ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 00:24:54	10137ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 06:13:17	1724ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 16:11:11	1390ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-24 21:31:50	9419ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-21 13:38:51	2094ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 19:35:45	1578ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 01:59:23	6254ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 07:32:08	902ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:59:09	708ms	2 NS 2 A 1 MX	🔓 Insecure