concept1.dk DNS records

🖥️ Nameservers2 records 58ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.106.69	3600s	linux209.curanet.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 77ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	173.194.220.26 173.194.220.27 173.194.221.26 173.194.221.27 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b 2a00:1450:4010:c08::1b 2a00:1450:4010:c08::1b 2a00:1450:4010:c0b::1b 2a00:1450:4010:c0b::1b 2a00:1450:4010:c0d::1a 2a00:1450:4010:c0d::1a 64.233.164.27	lk-in-f26.1e100.net lk-in-f27.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lf-in-f27.1e100.net lf-in-x1b.1e100.net lg-in-f27.1e100.net lg-in-x1b.1e100.net lo-in-x1b.1e100.net lo-in-f27.1e100.net lq-in-x1a.1e100.net lq-in-f26.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	94.231.106.69
🔶 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 128ms

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

📝 TXT Records2 records 235ms

TXT Record
google-site-verification=4pBGmt2kOK9_T2twkATXAAlTXTNtizuFn3pdS354SyI
v=spf1 include:spf.simply.com include:_spf.google.com -all

✉️ SPF

Policy	Record (concept1.dk)
-all (hard fail)	v=spf1 include:spf.simply.com include:_spf.google.com -all

📨 DMARC

Policy	Record (_dmarc.concept1.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 / DANE

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

🔐 DNSSEC199ms

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

🏷️ SOA0ms

Field	Value
Serial	2026071301
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

58ms

A

81ms

MX

77ms

AAAA

94ms

TXT

235ms

CAA

89ms

HTTPS

86ms

TLSA

93ms

SOA

0ms

MTA-STS

80ms

DNSSEC

199ms

SRV

128ms

Total

1129ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-13 23:41:33	1129ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 20:57:51	9066ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-06 20:39:18	1436ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-06-20 18:15:13	1019ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 16:46:33	1179ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:37:42	65535ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:07:57	1579ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:02:45	428ms	3 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 22:01:32	587ms	3 NS 1 A 1 MX	🔒 Secure	View