cerins.dk DNS records

🖥️ Nameservers2 records 76ms

Nameserver	IP addresses	PTR	ASN / ISP
a.sigmanet.lv	2a02:500:3330:419::a 85.254.194.195	a.sigmanet.lv a.sigmanet.lv	AS5538 Institute of Mathematics and Computer Science of University of Latvia AS5538 Institute of Mathematics and Computer Science of University of Latvia
b.sigmanet.lv	2a02:500:4500:c::b 92.240.66.145	b.sigmanet.lv b.sigmanet.lv	AS5538 Institute of Mathematics and Computer Science of University of Latvia AS5538 Institute of Mathematics and Computer Science of University of Latvia

🌍 A Records1 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
92.240.74.196	1800s	—	AS5538	Institute of Mathematics and Computer Science of University of Latvia	92.240.64.0/19	🇱🇻 Latvia	—

📧 MX Records

📧

No MX records found

🔷 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)

🔐 DNSSEC135ms

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	2026082701
Primary NS (MNAME)	a.sigmanet.lv
Responsible (RNAME)	info@sigmanet.lv
Refresh	10800s
Retry	1800s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 RegistrationWHOIS fetched 2026-08-07 19:40:37

Field	Value
Registrar	InterNetX GmbH
Registered	2025-07-04
Expires	2027-07-03 (304d)

📋 WHOIS

⏱️ Lookup Timing

NS

76ms

A

60ms

MX

64ms

AAAA

61ms

TXT

340ms

CAA

67ms

HTTPS

53ms

TLSA

181ms

SOA

0ms

MTA-STS

116ms

DNSSEC

135ms

SRV

113ms

Total

2046ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 09:10:06	2046ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-27 05:24:52	1169ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-24 17:31:34	9752ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-23 15:51:05	1237ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-22 12:53:49	6393ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-21 12:39:32	6392ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-20 11:44:05	9929ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-17 15:17:18	9784ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-16 08:40:41	1381ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-15 03:23:36	8826ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-13 18:55:22	9922ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-11 03:01:20	2974ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-07 19:40:08	1034ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-08-03 00:53:33	1008ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-29 12:52:04	11016ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-25 03:01:03	9853ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-24 01:49:01	1036ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-23 00:53:58	11300ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-19 13:09:08	10028ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-18 05:33:36	2682ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-16 18:15:27	9654ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-11 06:22:26	17519ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-08 17:39:14	951ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-06 14:44:50	4312ms	2 NS 1 A 0 MX	🔓 Insecure	View
2026-07-03 11:05:59	8090ms	2 NS 1 A 0 MX	🔓 Insecure	View