a-data.dk

📜 Historical scan 2026-09-01 08:34:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

a-data.dk is a .dk domain served by 2 nameservers (johnathan.ns.cloudflare.com, ruth.ns.cloudflare.com). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 141.101.90.104 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by adata-dk0c.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 56ms

Nameserver	IP addresses	PTR	ASN / ISP
johnathan.ns.cloudflare.com	108.162.195.44 162.159.44.44 172.64.35.44 2606:4700:58::a29f:2c2c 2803:f800:50::6ca2:c32c 2a06:98c1:50::ac40:232c	johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ruth.ns.cloudflare.com	108.162.192.143 172.64.32.143 173.245.58.143 2606:4700:50::adf5:3a8f 2803:f800:50::6ca2:c08f 2a06:98c1:50::ac40:208f	ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com ruth.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

4 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
141.101.90.104	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.105	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.106	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—
141.101.90.107	300s	—	AS13335	Cloudflare, Inc.	141.101.90.0/24	—	—

📧 MX Records#

1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	adata-dk0c.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::5 2a01:111:f403:ca09::2 2a01:111:f403:ca09::24 52.101.68.21 52.101.68.29 52.101.68.5 52.101.68.8	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db3pr0202cu00205.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.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 → 40.104.116.56

🔷 AAAA Records (IPv6)#

4 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3200::90:80	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:81	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:82	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—
2a06:98c1:3200::90:83	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3200:0:0:0:0:0/48	—	—

🔐 HTTPS Records#

1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=141.101.90.104,141.101.90.105,141.101.90.106,141.101.90.107 ipv6hint=2a06:98c1:3200::90:80,2a06:98c1:3200::90:81,2a06:98c1:3200::90:82,2a06:98c1:3200::90:83

📝 TXT Records#

7 records 204ms

TXT Record
_globalsign-domain-verification=DQVMk6SGN3dod-fO8n0X3JtqvFK0cAPbsFml5YNqK1
_globalsign-domain-verification=HRyM5143tE2wfrNEkuS3EnQYdlKZWlbgRtv6fiDZ9C
_lyp5a7w5p7hmujfdf6git446i13ivh5
_zgtaz11xzbw7dkuyhfwsihac8tam880
miro-verification=ce05497ecf529e61427f3bfb55fc352f7906c4d0
MS=ms64589771
v=spf1 a mx ip4:185.128.102.81 ip4:185.128.102.82 include:spf.protection.outlook.com include:_spf-hosting.eg.dk -all

✉️ SPF#

Policy	Record (a-data.dk)
-all (hard fail)	v=spf1 a mx ip4:185.128.102.81 ip4:185.128.102.82 include:spf.protection.outlook.com include:_spf-hosting.eg.dk -all

📨 DMARC#

Policy	Record (_dmarc.a-data.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc_inspector@a-data.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 04:36:33

www	104.18.2.147 104.18.3.147 2606:4700::6812:293 2606:4700::6812:393 (AS13335) (address records, no CNAME)
www vs bare domain	Same network a-data.dk: 141.101.90.104 141.101.90.105 141.101.90.106 141.101.90.107 (AS13335) www.a-data.dk: 104.18.2.147 104.18.3.147 2606:4700::6812:293 2606:4700::6812:393 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-adata-dk0c._domainkey.egonline.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: 4/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.a-data.dk	QtHNWc01kxqsaYBDWQmdO40UrrMZ1mkQZMi_YRxCm3c
TXT	_acme-challenge.a-data.dk	r1l1o5FHyunKRgQbk-w0ylY9zQknPt1Rk7W6q2hdrLI

🔗 TLSA / DANE#

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

🔐 DNSSEC#

80ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413711190
Primary NS (MNAME)	johnathan.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 23:33:27

Field	Value
Registrar	Eurodns S.A
Registered	1997-01-31
Expires	2027-03-31 (164d)

📋 WHOIS#

⏱️ Lookup Timing#

56ms

40ms

AAAA

40ms

TXT

204ms

CAA

45ms

HTTPS

50ms

TLSA

386ms

SOA

0ms

MTA-STS

52ms

DNSSEC

80ms

SRV

78ms

Total

1095ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 12:49:54	1248ms	2 NS 4 A 1 MX	🔒 Secure
2026-09-06 09:13:00	1571ms	2 NS 4 A 1 MX	🔒 Secure
2026-09-02 18:12:23	1494ms	2 NS 4 A 1 MX	🔒 Secure
2026-09-01 08:34:07 shown	1095ms	2 NS 4 A 1 MX	🔒 Secure
2026-08-30 23:22:06	3996ms	2 NS 4 A 1 MX	🔒 Secure
2026-08-26 11:53:56	1671ms	2 NS 4 A 1 MX	🔒 Secure
2026-08-25 17:43:28	10454ms	2 NS 4 A 1 MX	🔒 Secure
2026-08-10 13:37:03	7988ms	2 NS 4 A 1 MX	🔒 Secure
2026-07-18 02:53:35	4976ms	2 NS 4 A 1 MX	🔒 Secure
2026-07-03 13:04:05	1495ms	2 NS 4 A 1 MX	🔒 Secure
2026-06-23 23:31:38	1169ms	2 NS 4 A 1 MX	🔒 Secure
2026-06-20 18:39:50	1528ms	2 NS 4 A 1 MX	🔒 Secure
2026-06-20 03:19:27	1163ms	2 NS 4 A 1 MX	🔒 Secure
2026-06-16 12:37:20	837ms	2 NS 4 A 1 MX	🔒 Secure