leibniz.dk DNS records

🖥️ Nameservers3 records 75ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-167-a.gandi.net	173.246.100.168 2001:4b98:aaaa::a8	ns-167-a.gandi.net ns-167-a.gandi.net	AS209453 GANDI SAS AS209453 GANDI SAS
ns-19-b.gandi.net	2001:4b98:aaab::14 213.167.230.20	ns-19-b.gandi.net ns-19-b.gandi.net	AS209453 GANDI SAS AS209453 GANDI SAS
ns-50-c.gandi.net	217.70.187.51 2604:3400:aaac::33	ns-50-c.gandi.net ns-50-c.gandi.net	AS209453 GANDI SAS AS209453 GANDI SAS

🌍 A Records1 records 74ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.70.184.38	10800s	webredir.vip.gandi.net	AS29169	GANDI SAS	217.70.184.0/23	🇫🇷 France	—

📧 MX Records2 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	spool.mail.gandi.net	2001:4b98:e00::1 217.70.178.1	spool.mail.gandi.net spool.mail.gandi.net	AS29169 GANDI SAS AS29169 GANDI SAS
50	10800s	fb.mail.gandi.net	2001:4b98:dc4:8::215 2001:4b98:dc4:8::216 2001:4b98:dc4:8::217 217.70.178.215 217.70.178.216 217.70.178.217	spool6.mail.gandi.net spool7.mail.gandi.net spool8.mail.gandi.net spool6.mail.gandi.net spool7.mail.gandi.net spool8.mail.gandi.net	AS29169 GANDI SAS AS29169 GANDI SAS AS29169 GANDI SAS AS29169 GANDI SAS AS29169 GANDI SAS AS29169 GANDI SAS

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 353ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	1	993	mail.gandi.net

📝 TXT Records1 records 258ms

TXT Record
v=spf1 include:_mailcust.gandi.net ?all

✉️ SPF

Policy	Record (leibniz.dk)
?all (neutral)	v=spf1 include:_mailcust.gandi.net ?all

📨 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)

🔐 DNSSEC111ms

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

🏷️ SOA0ms

Field	Value
Serial	1787788800
Primary NS (MNAME)	ns1.gandi.net
Responsible (RNAME)	hostmaster@gandi.net
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	10800s

📋 RegistrationWHOIS fetched 2026-08-28 03:35:17

Field	Value
Registrar	GANDI SAS
Registered	2023-09-05
Expires	2026-09-04 (2d)

📋 WHOIS

⏱️ Lookup Timing

NS

75ms

A

74ms

MX

51ms

AAAA

74ms

TXT

258ms

CAA

74ms

HTTPS

58ms

TLSA

148ms

SOA

0ms

MTA-STS

107ms

DNSSEC

111ms

SRV

353ms

Total

1807ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 17:32:03	1807ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-08-28 03:28:42	1284ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-08-20 03:08:32	7252ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-08-14 03:30:54	3174ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-08-08 04:29:46	1350ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-07-23 08:13:25	9401ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-07-16 17:10:38	8984ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-07-09 04:16:18	3402ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-07-02 10:40:42	2572ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-21 21:12:03	1091ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-19 11:29:14	977ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-18 14:37:40	1733ms	3 NS 1 A 2 MX	🔓 Insecure	View
2026-06-17 21:25:23	3774ms	3 NS 1 A 2 MX	🔓 Insecure	View