sus.dk

📜 Historical scan 2026-10-07 14:16:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 25 June 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.254 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by sus-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#

2 records 49ms

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 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.41.254	600s	linux32.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	sus-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::a 2a01:111:f403:ca04::b 2a01:111:f403:ca48::a 52.101.103.137 52.101.68.12 52.101.68.15 52.101.73.123	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-am6pr02cu00203.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 → 40.104.116.40
🔶 Autoconfig	185.21.41.254

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 60ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 168ms

TXT Record
apple-domain-verification=QvuoDxkjxwoTx7ch
MS=ms24571094
v=spf1 ip4:178.249.49.46 ip4:185.21.41.254 a:sus.dk a:survey.sus.dk include:spf.protection.outlook.com include:servers.mcsv.net -all

✉️ SPF#

Policy	Record (sus.dk)
-all (hard fail)	v=spf1 ip4:178.249.49.46 ip4:185.21.41.254 a:sus.dk a:survey.sus.dk include:spf.protection.outlook.com include:servers.mcsv.net -all

📨 DMARC#

Policy	Record (_dmarc.sus.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:admin@sus.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 23:30:40

www	185.21.41.254 (AS48854) (address records, no CNAME)
www vs bare domain	Same network sus.dk: 185.21.41.254 (AS48854) www.sus.dk: 185.21.41.254 (AS48854)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
k1	dkim.mcsv.net	RSA · ~1024 bit below 2048 bit
selector1	selector1-sus-dk._domainkey.susdk678.onmicrosoft.com	RSA · ~1024 bit below 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#

109ms

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

🏷️ SOA#

49ms

Field	Value
Serial	2026100702
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 13:17:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-06-25
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

49ms

40ms

35ms

AAAA

48ms

TXT

168ms

CAA

42ms

HTTPS

32ms

TLSA

584ms

SOA

49ms

MTA-STS

52ms

DNSSEC

109ms

SRV

60ms

Total

1262ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 23:30:40	2180ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 14:16:09 shown	1262ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 13:14:03	1175ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 12:02:19	1248ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 14:59:44	1121ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 11:00:25	1101ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 23:29:37	994ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 10:10:18	1170ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 03:15:42	554ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 13:16:37	2027ms	2 NS 1 A 1 MX	🔒 Secure