a-data.dk

📜 Historical scan 2026-06-16 12:37:20  ·  ← 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   28ms
NameserverIP addressesPTRASN / ISP
johnathan.ns.cloudflare.com — — —
ruth.ns.cloudflare.com — — —

🌍 A Records#

4 records   29ms
IPTTLPTRASNISP / OrgCIDRCountryCity
141.101.90.104 — — AS13335 Cloudflare, Inc. 141.101.90.0/24 — —
141.101.90.105 — — AS13335 Cloudflare, Inc. 141.101.90.0/24 — —
141.101.90.106 — — AS13335 Cloudflare, Inc. 141.101.90.0/24 — —
141.101.90.107 — — AS13335 Cloudflare, Inc. 141.101.90.0/24 — —

📧 MX Records#

1 records   26ms
PriorityTTLMail ServerIP addressesPTRASN
10 — adata-dk0c.mail.protection.outlook.com 52.101.68.12
52.101.68.8
52.101.73.26
52.101.73.30		 mail-db9pr02cu00204.inbound.protection.outlook.com
mail-du0pr03cu00100.inbound.protection.outlook.com
mail-as9pr05cu01302.inbound.protection.outlook.com
mail-am7pr05cu00306.inbound.protection.outlook.com		 AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation
AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

4 records   29ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a06:98c1:3200::90:80 — — AS13335 Cloudflare, Inc. 2a06:98c1:3200:0:0:0:0:0/48 — —
2a06:98c1:3200::90:81 — — AS13335 Cloudflare, Inc. 2a06:98c1:3200:0:0:0:0:0/48 — —
2a06:98c1:3200::90:82 — — AS13335 Cloudflare, Inc. 2a06:98c1:3200:0:0:0:0:0/48 — —
2a06:98c1:3200::90:83 — — AS13335 Cloudflare, Inc. 2a06:98c1:3200:0:0:0:0:0/48 — —

🔐 HTTPS Records#

1 records   34ms
PriorityTargetSvcParams
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   133ms
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#

PolicyRecord (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#

PolicyRecord (_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
www104.18.2.147 104.18.3.147 2606:4700::6812:293 2606:4700::6812:393 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYPublished: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found
SelectorCNAMEKey
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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

127ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

27ms
FieldValue
Serial2405948758
Primary NS (MNAME)johnathan.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-07 23:33:27
FieldValue
RegistrarEurodns S.A
Registered1997-01-31
Expires2027-03-31 (164d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
28ms
A
29ms
MX
26ms
AAAA
29ms
TXT
133ms
CAA
34ms
HTTPS
34ms
TLSA
139ms
SOA
27ms
MTA-STS
43ms
DNSSEC
127ms
SRV
0ms
Total
837ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 837ms 2 NS 4 A 1 MX 🔒 Secure
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