a10.dk

📜 Historical scan 2026-10-02 12:58:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a10.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 13 January 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 151.101.130.159 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by a10-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 34ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
151.101.130.159	3600s	—	AS54113	Fastly, Inc.	151.101.0.0/16	🇺🇸 United States	—

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	a10-dk.mail.protection.outlook.com	2a01:111:f403:ca04::d 2a01:111:f403:ca04::e 2a01:111:f403:ca21::c 2a01:111:f403:ca38::8 52.101.103.137 52.101.103.143 52.101.185.21 52.101.209.31	mail-db6pr03cu00105.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-matpr04cu00204.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-zrxpr05cu00105.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	autodiscover.outlook.com → 52.98.149.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 130ms

TXT Record
v=spf1 include:spf.protection.outlook.com ip4:80.196.242.128/25 ip4:91.193.136.195 -all

✉️ SPF#

Policy	Record (a10.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:80.196.242.128/25 ip4:91.193.136.195 -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 2026-10-09 02:59:42

www CNAME	a10.dk (all on a10.dk) → 151.101.130.159 (AS54113)
www vs bare domain	Same network a10.dk: 151.101.130.159 (AS54113) www.a10.dk: 151.101.130.159 (AS54113)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

3 found

Selector	CNAME	Key
s1	s1.domainkey.u15824129.wl130.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u15824129.wl130.sendgrid.net	RSA · ~1024 bit below 2048 bit
selector2	selector2-a10-dk._domainkey.a10kolding.onmicrosoft.com	RSA · ~1024 bit below 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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

73ms

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

🏷️ SOA#

31ms

Field	Value
Serial	2024121101
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-14 20:34:18

Field	Value
Registrar	A/S SCANNET
Registered	1999-01-13
Expires	2027-03-31 (163d)

🔗 Same registrant#

1 domain

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).

Domain	Registrar
dinegulve.dk	DANDOMAIN A/S

📋 WHOIS#

⏱️ Lookup Timing#

34ms

39ms

38ms

AAAA

41ms

TXT

130ms

CAA

38ms

HTTPS

49ms

TLSA

766ms

SOA

31ms

MTA-STS

48ms

DNSSEC

73ms

SRV

60ms

Total

1243ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 02:59:42	1252ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 12:58:04 shown	1243ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 16:42:09	790ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 10:00:48	1296ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-26 09:04:14	992ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-25 09:35:21	2769ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 02:16:33	1153ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-23 20:54:47	754ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 11:34:05	2400ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 13:15:30	807ms	2 NS 1 A 1 MX	🔒 Secure