sec-set.dk

📜 Historical scan 2026-09-30 06:11:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sec-set.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 24 April 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.90.118.211 is hosted by Fab:IT ApS (AS45032) in Denmark. Mail is handled by secset-dk0i.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#

3 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.90.118.211	1212s	srvfab-webproxy0.chainbox.dk	AS45032	Fab:IT ApS	93.90.112.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	secset-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca38::a 2a01:111:f403:ca3c::8 2a01:111:f403:ca48::e 52.101.103.140 52.101.185.114 52.101.209.31 52.101.68.25	mail-db9pr02cu00204.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-zrxpr05cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-cpjpr05cu00207.inbound.protection.outlook.com mail-db8pr02cu00101.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 → 40.104.116.24
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 48ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

3 records 169ms

TXT Record
google-site-verification=nF8NJi3Ay979fvbaHiLeFCnKicfBxv30aR7NhY_xzq0
MS=ms44393088
v=spf1 include:spf.simply.com include:spf.protection.outlook.com include:spf.mtasv.net include:_spf.createsend.com -all

✉️ SPF#

Policy	Record (sec-set.dk)
-all (hard fail)	v=spf1 include:spf.simply.com include:spf.protection.outlook.com include:spf.mtasv.net include:_spf.createsend.com -all

📨 DMARC#

Policy	Record (_dmarc.sec-set.dk)
p=reject	v=DMARC1; p=reject

📬 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 04:43:43

www	94.231.103.100 (AS48854) (address records, no CNAME)
www vs bare domain	Different networks sec-set.dk: 93.90.118.211 (AS45032) www.sec-set.dk: 94.231.103.100 (AS48854) (all like this)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-secset-dk0i._domainkey.secas.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#

87ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026061600
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-03 02:44:01

Field	Value
Registrar	Simply.com A/S
Registered	2023-04-24
Expires	2027-04-23 (187d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

25ms

AAAA

32ms

TXT

169ms

CAA

43ms

HTTPS

27ms

TLSA

585ms

SOA

0ms

MTA-STS

45ms

DNSSEC

87ms

SRV

48ms

Total

1105ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 02:35:13	1518ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-01 02:22:07	1352ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-30 06:11:06 shown	1105ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-26 13:40:42	807ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-27 10:53:33	1126ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-26 22:19:19	1191ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-22 23:58:08	860ms	3 NS 1 A 1 MX	🔒 Secure
2026-06-17 21:31:50	901ms	3 NS 1 A 1 MX	🔒 Secure