sp-tt.dk

📜 Historical scan 2026-09-24 17:48:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sp-tt.dk is a .dk domain served by 2 nameservers (leonidas.ns.cloudflare.com, peaches.ns.cloudflare.com). It was registered on 12 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.72.99 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by sptt-dk0e.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 38ms

Nameserver	IP addresses	PTR	ASN / ISP
leonidas.ns.cloudflare.com	108.162.195.101 162.159.44.101 172.64.35.101 2606:4700:58::a29f:2c65 2803:f800:50::6ca2:c365 2a06:98c1:50::ac40:2365	leonidas.ns.cloudflare.com leonidas.ns.cloudflare.com leonidas.ns.cloudflare.com leonidas.ns.cloudflare.com leonidas.ns.cloudflare.com leonidas.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
peaches.ns.cloudflare.com	108.162.194.239 162.159.38.239 172.64.34.239 2606:4700:50::a29f:26ef 2803:f800:50::6ca2:c2ef 2a06:98c1:50::ac40:22ef	peaches.ns.cloudflare.com peaches.ns.cloudflare.com peaches.ns.cloudflare.com peaches.ns.cloudflare.com peaches.ns.cloudflare.com peaches.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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.72.99	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.181.28	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	sptt-dk0e.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca04::10 2a01:111:f403:ca04::e 2a01:111:f403:ca21::8 52.101.103.162 52.101.181.156 52.101.68.27 52.101.68.39	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-dbapr03cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-miypr03cu00202.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db7pr03cu00607.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	104.21.72.99
🔶 Autoconfig	104.21.72.99

🔷 AAAA Records (IPv6)#

2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:b51c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:4863	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.72.99,172.67.181.28 ech=AEX+DQBBWwAgACCtgQvq1IBVlr2Cd7NEV4sWCAyxKcVPLti8T/Z1H5x3egAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:b51c,2606:4700:3035::6815:4863

📝 TXT Records#

2 records 175ms

TXT Record
MS=ms49712253
v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (sp-tt.dk)
-all (hard fail)	v=spf1 include:_spf.mlsend.com 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#

latest probe, not this scan · checked 2026-10-15 19:09:21

www	104.21.72.99 172.67.181.28 2606:4700:3034::ac43:b51c 2606:4700:3035::6815:4863 (AS13335) (address records, no CNAME)
www vs bare domain	Same network sp-tt.dk: 104.21.72.99 172.67.181.28 2606:4700:3034::ac43:b51c 2606:4700:3035::6815:4863 (AS13335) www.sp-tt.dk: 104.21.72.99 172.67.181.28 2606:4700:3034::ac43:b51c 2606:4700:3035::6815:4863 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.sp-tt.dk	Yuxuas5XD0EuBzLDD47fLdoUw2OLicWEScgZvXEB44E
TXT	_acme-challenge.sp-tt.dk	_s_p0-YoHpf-J8pju9-wxIm9w6rSltxfnRTaxtnbHh0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

114ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415717293
Primary NS (MNAME)	leonidas.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 12:23:13

Field	Value
Registrar	ONE.COM A/S
Registered	2024-02-12
Expires	2027-02-11 (114d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

34ms

AAAA

42ms

TXT

175ms

CAA

38ms

HTTPS

52ms

TLSA

372ms

SOA

0ms

MTA-STS

52ms

DNSSEC

114ms

SRV

66ms

Total

1063ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-05 20:48:23	1125ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 20:29:45	2562ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 19:30:22	1124ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 19:24:08	784ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 17:48:20 shown	1063ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 17:34:27	828ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-02 02:59:01	1464ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 10:08:02	1244ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-06 21:12:28	1790ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-24 21:59:23	1186ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 03:18:39	790ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 14:25:16	2328ms	2 NS 1 A 1 MX	🔒 Secure