assist2u.dk

📜 Historical scan 2026-06-16 13:50:21 · ← 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. 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 347ms

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

🌍 A Records#

2 records 379ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.24.74	—	—	AS13335	—	—	—	—
172.67.217.198	—	—	AS13335	—	—	—	—

📧 MX Records#

1 records 388ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	assist2u-dk.mail.protection.outlook.com	52.101.68.3 52.101.68.8 52.101.73.1 52.101.73.15	mail-db7pr03cu00403.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

2 records 327ms

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 320ms

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 932ms

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#

854ms

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

🏷️ SOA#

385ms

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 (112d)

📋 WHOIS#

⏱️ Lookup Timing#

347ms

379ms

388ms

AAAA

327ms

TXT

932ms

CAA

354ms

HTTPS

320ms

TLSA

269ms

SOA

385ms

MTA-STS

374ms

DNSSEC

854ms

SRV

0ms

Total

2065ms

🕐 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 shown	2065ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 13:46:38	3219ms	2 NS 2 A 1 MX	🔓 Insecure