sda.dk

📜 Historical scan 2026-07-20 17:43:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sda.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 23 April 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.7.25.201 is hosted by Jn Data A/s (AS204607) in Denmark. Mail is handled by sda-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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#

4 records 64ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.eurodns.com	199.167.66.107 2610:1c8:b002::107	ns1.eurodns.com ns1.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns2.eurodns.com	104.37.178.107 2610:1c8:b001::107	ns2.eurodns.com ns2.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns3.eurodns.com	199.167.66.108 2610:1c8:b002::108	ns3.eurodns.com ns3.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC
ns4.eurodns.com	104.37.178.108 2610:1c8:b001::108	ns4.eurodns.com ns4.eurodns.com	AS23393 NuCDN LLC AS23393 NuCDN LLC

🌍 A Records#

1 records 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.7.25.201	3600s	—	AS204607	Jn Data A/s	195.7.24.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 55ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	3600s	sda-dk.mail.protection.outlook.com	2a01:111:f403:ca04::1 2a01:111:f403:ca09::3 2a01:111:f403:ca09::6 2a01:111:f403:ca09::c 52.101.68.18 52.101.68.27 52.101.73.11 52.101.73.153	mail-db7pr03cu00401.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am1pr04cu00103.inbound.protection.outlook.com mail-as8pr05cu00401.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

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 235ms

TXT Record
MS=ms26383634
v=spf1 include:_senderidstd.bec.dk -all

✉️ SPF#

Policy	Record (sda.dk)
-all (hard fail)	v=spf1 include:_senderidstd.bec.dk -all

📨 DMARC#

Policy	Record (_dmarc.sda.dk)
p=reject	v=DMARC1; p=reject; adkim=s; aspf=s;

📬 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 2026-10-08 03:46:02

www CNAME	sda.dk (all on sda.dk) → 195.7.25.201 (AS204607)
www vs bare domain	Same network sda.dk: 195.7.25.201 (AS204607) www.sda.dk: 195.7.25.201 (AS204607)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

147ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2023120667
Primary NS (MNAME)	ns1.eurodns.com
Responsible (RNAME)	hostmaster@eurodns.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-04 23:30:32

Field	Value
Registrar	Eurodns S.A
Registered	1996-04-23
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

64ms

55ms

AAAA

53ms

TXT

235ms

CAA

59ms

HTTPS

60ms

TLSA

1185ms

SOA

0ms

MTA-STS

78ms

DNSSEC

147ms

SRV

84ms

Total

2308ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 03:46:02	961ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-04 08:42:48	726ms	4 NS 1 A 1 MX	🔒 Secure
2026-10-02 08:30:26	1073ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-17 09:23:28	1468ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-04 00:55:16	9556ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-31 12:42:22	2204ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-27 16:32:50	1212ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-26 19:32:20	703ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-09 08:18:19	1701ms	4 NS 1 A 1 MX	🔒 Secure
2026-08-01 00:35:22	1541ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-21 19:15:57	1220ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-20 17:43:55 shown	2308ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-03 19:56:43	1476ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-01 21:42:34	3781ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-22 02:58:27	1237ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-21 21:57:09	812ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-20 04:17:30	1595ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-18 06:45:46	2016ms	4 NS 1 A 1 MX	🔒 Secure