csgroup.dk DNS records

🖥️ Nameservers4 records 59ms

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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.108.34	3600s	nt13.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records2 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	3600s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	94.231.108.34
🔶 Autoconfig	94.231.108.34

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 67ms

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

📝 TXT Records1 records 217ms

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

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.csgroup.dk)
p=quarantine	v=DMARC1;p=quarantine;rua=mailto:as25xq0u@ag.dmarcian-eu.com,mailto:easy880075@easydmarc.com;fo=1

📬 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 / DANE

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

🔐 DNSSEC93ms

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

🏷️ SOA0ms

Field	Value
Serial	2024112906
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

59ms

A

42ms

MX

68ms

AAAA

40ms

TXT

217ms

CAA

38ms

HTTPS

45ms

TLSA

56ms

SOA

0ms

MTA-STS

88ms

DNSSEC

93ms

SRV

67ms

Total

941ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 07:45:21	941ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-07-01 10:05:51	845ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-26 13:04:39	2862ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-23 01:23:56	1096ms	4 NS 1 A 2 MX	🔒 Secure	View
2026-06-22 16:59:54	1138ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:05:04	1123ms	4 NS 1 A 2 MX	🔒 Secure	View