100.dk

📜 Historical scan 2026-10-04 06:26:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

100.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 19 March 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by 100-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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#

3 records 253ms

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#

🌍

No A records found

📧 MX Records#

1 records 88ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	100-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::20 2a01:111:f403:ca09::26 2a01:111:f403:ca48::12 52.101.103.140 52.101.103.39 52.101.185.21 52.101.68.12	mail-du0pr03cu00102.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-miypr05cu00202.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-miypr05cu00207.inbound.protection.outlook.com mail-zrxpr05cu00105.inbound.protection.outlook.com mail-db9pr02cu00204.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 → 52.98.154.136

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 443ms

TXT Record
MS=ms22982800
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (100.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -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 20:18:48

www	NXDOMAIN
www vs bare domain	Neither resolves 100.dk: no address www.100.dk: no address
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

365ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

92ms

Field	Value
Serial	2026100300
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 2026-10-04 06:36:21

Field	Value
Registrar	Simply.com A/S
Registered	2026-03-19
Expires	2027-03-18 (152d)

📋 WHOIS#

⏱️ Lookup Timing#

253ms

70ms

88ms

AAAA

262ms

TXT

443ms

CAA

273ms

HTTPS

239ms

TLSA

787ms

SOA

92ms

MTA-STS

293ms

DNSSEC

365ms

SRV

283ms

Total

1992ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 20:18:48	1171ms	3 NS 0 A 1 MX	🔓 Insecure
2026-10-04 06:26:36 shown	1992ms	3 NS 0 A 1 MX	🔓 Insecure
2026-09-12 21:29:11	2541ms	3 NS 0 A 1 MX	🔓 Insecure
2026-09-02 07:11:10	1314ms	3 NS 0 A 1 MX	🔓 Insecure
2026-08-27 13:40:34	1152ms	3 NS 0 A 1 MX	🔓 Insecure
2026-06-29 06:06:13	939ms	3 NS 0 A 1 MX	🔓 Insecure
2026-06-26 00:15:03	1455ms	3 NS 0 A 1 MX	🔓 Insecure
2026-06-23 03:27:22	1165ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 12:33:46	1126ms	3 NS 0 A 1 MX	🔓 Insecure