archimedes.dk

📜 Historical scan 2026-06-23 20:39:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

archimedes.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 27 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.206 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by archimedes-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 111ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 108ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.206	3600s	linux201.scannet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 105ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	archimedes-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::1 2a01:111:f403:ca04::2 2a01:111:f403:ca09::6 52.101.73.153 52.101.73.16 52.101.73.2 52.101.73.28	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00401.inbound.protection.outlook.com mail-du2pr03cu00102.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr07cu00302.inbound.protection.outlook.com mail-am7pr05cu00204.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 → 52.98.149.136
🔶 Autoconfig	185.21.42.206

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 256ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf.scannet.dk -all

✉️ SPF#

Policy	Record (archimedes.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.scannet.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 2026-10-23 22:29:11

www	185.21.42.206 (AS48854) (address records, no CNAME)
www vs bare domain	Same network archimedes.dk: 185.21.42.206 (AS48854) www.archimedes.dk: 185.21.42.206 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

445ms

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

🏷️ SOA#

104ms

Field	Value
Serial	2020121600
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-11 09:01:39

Field	Value
Registrar	A/S SCANNET
Registered	2000-04-27
Expires	2027-06-30 (248d)

📋 WHOIS#

⏱️ Lookup Timing#

111ms

108ms

105ms

AAAA

118ms

TXT

256ms

CAA

238ms

HTTPS

236ms

TLSA

150ms

SOA

104ms

MTA-STS

105ms

DNSSEC

445ms

SRV

312ms

Total

1094ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 22:29:11	541ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 10:59:04	1073ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 19:27:37	1011ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 20:39:24 shown	1094ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-22 16:21:16	1184ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 13:38:15	2694ms	2 NS 1 A 1 MX	🔒 Secure