sdl.dk

Records from scan: 2026-10-12 22:45:07 · 1359ms total · last checked 2026-10-17 03:38 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sdl.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.123 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by sdl-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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 74ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.123	3600s	prolinux6.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	sdl-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::a 2a01:111:f403:ca09::22 2a01:111:f403:ca38::a 52.101.103.143 52.101.73.153 52.101.91.153 52.101.91.162	mail-db4pr02cu00204.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr04cu00302.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 → 52.98.154.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 164ms

TXT Record
MS=ms77637434
v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:emsd1.com include:_spf.designrus.dk include:spf.webcrm.com include:postfilter.dk -all

✉️ SPF#

Policy	Record (sdl.dk)
-all (hard fail)	v=spf1 include:_spf.mlsend.com include:spf.protection.outlook.com include:emsd1.com include:_spf.designrus.dk include:spf.webcrm.com include:postfilter.dk -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#

checked 2026-10-12 22:45:07

www	185.21.41.123 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sdl.dk: 185.21.41.123 (AS48854) www.sdl.dk: 185.21.41.123 (AS48854)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 7/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

140ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2026101101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

74ms

53ms

60ms

AAAA

59ms

TXT

164ms

CAA

63ms

HTTPS

65ms

TLSA

612ms

SOA

40ms

MTA-STS

81ms

DNSSEC

140ms

SRV

64ms

Total

1359ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 22:45:07 shown	1359ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-16 04:29:28	1045ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 04:01:33	1439ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 02:22:41	1801ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-17 18:05:20	1235ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 14:54:30	3243ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-18 03:13:17	1360ms	2 NS 1 A 1 MX	🔒 Secure