assist2u.dk

📜 Historical scan 2026-06-16 13:46:38 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

assist2u.dk is a .dk domain served by 2 nameservers (curt.ns.cloudflare.com, georgia.ns.cloudflare.com). It was registered on 8 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.24.74 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by assist2u-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
curt.ns.cloudflare.com	—	—	—
georgia.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 39ms

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

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	assist2u-dk.mail.protection.outlook.com	52.101.68.16 52.101.68.8 52.101.73.2 52.101.73.8	mail-db4pr02cu00400.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:184a	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d9c6	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.24.74,172.67.217.198 ech=AEX+DQBBlwAgACA41AMgc1sbai2CoOVhilCbC1JktSaHjQMIOv4l671bLwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:184a,2606:4700:3035::ac43:d9c6

📝 TXT Records#

2 records 124ms

TXT Record
MS=ms50588916
v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all

✉️ SPF#

Policy	Record (assist2u.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all

📨 DMARC#

Policy	Record (_dmarc.assist2u.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@assist2u.dk; ruf=mailto:dmarc@assist2u.dk

📬 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 2026-10-11 18:02:32

www	104.21.24.74 172.67.217.198 2606:4700:3035::6815:184a 2606:4700:3036::ac43:d9c6 (AS13335) (address records, no CNAME)
www vs bare domain	Same network assist2u.dk: 104.21.24.74 172.67.217.198 2606:4700:3035::6815:184a 2606:4700:3036::ac43:d9c6 (AS13335) www.assist2u.dk: 104.21.24.74 172.67.217.198 2606:4700:3035::6815:184a 2606:4700:3036::ac43:d9c6 (AS13335)
Wildcard	Yes: any name under the zone resolves

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-assist2u-dk._domainkey.assist2u.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

140ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2406884989
Primary NS (MNAME)	curt.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 18:18:34

Field	Value
Registrar	ONE.COM A/S
Registered	2024-02-08
Expires	2027-02-07 (111d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

40ms

AAAA

44ms

TXT

124ms

CAA

37ms

HTTPS

44ms

TLSA

2599ms

SOA

43ms

MTA-STS

58ms

DNSSEC

140ms

SRV

0ms

Total

3219ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 18:02:32	3372ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-10 17:36:27	1094ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-17 18:15:45	4087ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-15 03:34:59	2514ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-14 04:44:20	2256ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-12 08:22:04	5793ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-17 03:45:32	1390ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 22:22:53	6763ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 06:45:32	1175ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 16:22:36	832ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 13:50:21	2065ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 13:46:38 shown	3219ms	2 NS 2 A 1 MX	🔓 Insecure