supercomputing.dk DNS records

🖥️ Nameservers4 records 118ms

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 Records1 records 92ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.68	—	linux392.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 109ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 215ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF

Policy	Record (supercomputing.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.supercomputing.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 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

🔗 TLSA / DANE2 records 116ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC390ms

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

🏷️ SOA117ms

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

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

118ms

A

92ms

MX

109ms

AAAA

103ms

TXT

215ms

CAA

101ms

HTTPS

103ms

TLSA

116ms

SOA

117ms

MTA-STS

101ms

DNSSEC

390ms

SRV

0ms

Total

1139ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 15:01:27	2008ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 22:36:07	751ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-19 17:05:44	1161ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 16:56:38	935ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 18:40:16	900ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-16 18:45:25	9691ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-28 14:25:33	826ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 06:37:01	17600ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 05:39:24	911ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 10:35:05	1099ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 03:56:44	8002ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 11:46:29	1139ms	4 NS 1 A 1 MX	🔒 Secure	View