sec-as.dk

📜 Historical scan 2026-06-24 09:59:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sec-as.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 19 August 1999 (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 secas-dk0i.mail.eo.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 38ms

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
ns4.simply.com	91.197.248.80	ns4.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.90.118.211	600s	srvfab-webproxy0.chainbox.dk	AS45032	Fab:IT ApS	93.90.112.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	secas-dk0i.mail.eo.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::b 2a01:111:f403:ca09::3 2a01:111:f403:ca09::9 52.101.68.36 52.101.68.8 52.101.73.15 52.101.73.16	mail-db7pr03cu00601.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as2pr05cu00100.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	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

1 records 38ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a00:df0:ca:cb00::3:1	600s	—	AS45032	Fab:IT ApS	2a00:df0:0:0:0:0:0:0/32	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 277ms

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

📝 TXT Records#

2 records 377ms

TXT Record
google-site-verification=M85OPE08zIkQ_9plvLgZHU01_WI309dRoGYa0wwPkpA
v=spf1 include:spf.protection.outlook.com include:_spf.hosting.chainbox.dk include:spf.simply.com include:web.shared.mysmtp.com include:erp.uniconta.com include:spf.lagersystem.dk include:spf.mandrillapp.com ip4:93.90.117.1/24 ip4:93.90.115.1/24 ~all

✉️ SPF#

Policy	Record (sec-as.dk)
~all (soft fail)	v=spf1 include:spf.protection.outlook.com include:_spf.hosting.chainbox.dk include:spf.simply.com include:web.shared.mysmtp.com include:erp.uniconta.com include:spf.lagersystem.dk include:spf.mandrillapp.com ip4:93.90.117.1/24 ip4:93.90.115.1/24 ~all

📨 DMARC#

Policy	Record (_dmarc.sec-as.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 2026-10-09 00:50:32

www	93.90.118.211 2a00:df0:ca:cb00::3:1 (AS45032) (address records, no CNAME)
www vs bare domain	Same network sec-as.dk: 93.90.118.211 2a00:df0:ca:cb00::3:1 (AS45032) www.sec-as.dk: 93.90.118.211 2a00:df0:ca:cb00::3:1 (AS45032)
Wildcard	Yes: any name under the zone resolves
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-secas-dk0i._domainkey.secas.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: 10/10 · policy: ~all

error include:_spf.hosting.chainbox.dk has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
error include:erp.uniconta.com has no SPF record: receivers that reach it return permerror (RFC 7208 §5.2)
warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

170ms

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

🏷️ SOA#

49ms

Field	Value
Serial	2025042300
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 2026-10-02 00:11:02

Field	Value
Registrar	Simply.com A/S
Registered	1999-08-19
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

38ms

33ms

46ms

AAAA

38ms

TXT

377ms

CAA

54ms

HTTPS

37ms

TLSA

3552ms

SOA

49ms

MTA-STS

59ms

DNSSEC

170ms

SRV

277ms

Total

4334ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 23:38:55	530ms	4 NS 1 A 1 MX	🔒 Secure
2026-09-30 23:17:03	756ms	4 NS 1 A 1 MX	🔒 Secure
2026-07-02 16:00:39	2091ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-25 06:37:00	3056ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-24 09:59:55 shown	4334ms	4 NS 1 A 1 MX	🔒 Secure
2026-06-22 22:00:57	853ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 20:00:50	5008ms	4 NS 1 A 1 MX	🔒 Secure