grundstof.dk DNS records

🖥️ Nameservers3 records 51ms

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 Records1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.131	3600s	linux248.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records2 records 53ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	3600s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	93.191.156.131
🔶 Autoconfig	93.191.156.131

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 205ms

TXT Record
protonmail-verification=e5cb9169c912de9a3e7e4af6750d8b9804037a24
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

Policy	Record (grundstof.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC

Policy	Record (_dmarc.grundstof.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 / DANE4 records 105ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC9095ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026081100
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 RegistrationWHOIS fetched 2026-07-06 12:46:40

Field	Value
Registrar	Simply.com A/S
Registered	2005-03-19
Expires	2027-03-31 (210d)

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

46ms

MX

53ms

AAAA

47ms

TXT

205ms

CAA

56ms

HTTPS

50ms

TLSA

105ms

SOA

0ms

MTA-STS

74ms

DNSSEC

9095ms

SRV

65ms

Total

9632ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:15:08	9632ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-08-12 18:04:38	4107ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-07-10 07:09:55	1550ms	3 NS 1 A 3 MX	🔓 Insecure	View
2026-07-08 17:05:14	904ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-07-06 12:34:13	669ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-23 21:11:34	1571ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 13:11:32	1122ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 05:00:21	1067ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:40:34	4674ms	2 NS 1 A 1 MX	🔒 Secure	View