sdl.dk

📜 Historical scan 2026-06-18 03:13:17 · ← Latest scan

⬇ 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. 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 168ms

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 159ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.123	—	prolinux6.curanet.dk	AS48854	—	—	—	—

📧 MX Records#

1 records 156ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	sdl-dk.mail.protection.outlook.com	2a01:111:f403:ca09::3 2a01:111:f403:ca09::5 2a01:111:f403:ca09::8 2a01:111:f403:ca09::e 52.101.68.15 52.101.68.18 52.101.68.29 52.101.73.30	mail-am6pr04cu00303.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.99.149.216

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 428ms

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#

latest probe, not this scan · 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#

227ms

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

🏷️ SOA#

140ms

Field	Value
Serial	2026061101
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#

168ms

159ms

156ms

AAAA

156ms

TXT

428ms

CAA

127ms

HTTPS

135ms

TLSA

161ms

SOA

140ms

MTA-STS

152ms

DNSSEC

227ms

SRV

588ms

Total

1360ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 22:45:07	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 shown	1360ms	2 NS 1 A 1 MX	🔒 Secure