c3i.dk DNS records

🖥️ Nameservers4 records 44ms

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 Records

🌍

No A records found

📧 MX Records7 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	ASPMX.L.google.com	142.251.1.26 2a00:1450:4010:c07::1a 2a00:1450:4010:c07::1a	lb-in-f26.1e100.net lf-in-x1a.1e100.net lf-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	86400s	ALT1.ASPMX.L.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	86400s	ALT2.ASPMX.L.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	86400s	ASPMX2.GOOGLEMAIL.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	86400s	ASPMX3.GOOGLEMAIL.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	86400s	ASPMX4.GOOGLEMAIL.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	86400s	ASPMX5.GOOGLEMAIL.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC80ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2020072990
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

44ms

A

47ms

MX

54ms

AAAA

28ms

TXT

150ms

CAA

36ms

HTTPS

56ms

TLSA

187ms

SOA

0ms

MTA-STS

58ms

DNSSEC

80ms

SRV

56ms

Total

866ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 04:03:38	866ms	4 NS 0 A 7 MX	🔒 Secure	View
2026-08-27 03:37:32	807ms	4 NS 0 A 7 MX	🔒 Secure	View
2026-07-02 17:50:25	1374ms	4 NS 0 A 7 MX	🔒 Secure	View
2026-06-20 08:57:03	9186ms	4 NS 0 A 7 MX	🔒 Secure	View
2026-06-16 18:41:00	805ms	4 NS 0 A 7 MX	🔒 Secure	View
2026-06-16 18:40:18	650ms	4 NS 0 A 7 MX	🔒 Secure	View