maskeundervisning.dk DNS records

🖥️ Nameservers3 records 47ms

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 77ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
93.191.156.156	3600s	linux268.unoeuro.com	AS48854	team.blue Denmark A/S	93.191.152.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 121ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	93.191.156.156
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 116ms

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

📝 TXT Records2 records 212ms

TXT Record
google-site-verification=oRj0U4DynMFbaZ9WLk1tNT3TCd7qGFH1wZjQ85yqupM
v=spf1 include:spf.simply.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.maskeundervisning.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 468ms

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

🔐 DNSSEC211ms

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

🏷️ SOA0ms

Field	Value
Serial	2025050401
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

47ms

A

77ms

MX

121ms

AAAA

95ms

TXT

212ms

CAA

64ms

HTTPS

66ms

TLSA

468ms

SOA

0ms

MTA-STS

130ms

DNSSEC

211ms

SRV

116ms

Total

2022ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 11:23:23	2022ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-08-28 04:56:46	192ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-27 01:29:20	164ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-25 17:29:31	166ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-24 16:58:14	182ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-23 16:42:29	1942ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-22 16:14:47	1023ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-21 16:10:01	1235ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-20 15:59:55	1954ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-19 13:30:47	3697ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-18 13:28:51	1872ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-16 08:07:23	3334ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-14 16:38:55	859ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-11 18:17:24	757ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-09 23:50:12	1564ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-08 17:46:30	870ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-06 06:14:57	879ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-08-01 21:07:31	982ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-03 01:05:57	638ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 04:08:56	589ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 16:55:13	2401ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 11:43:09	538ms	3 NS 1 A 1 MX	🔒 Secure	View