sbl-lab.dk DNS records

🖥️ Nameservers3 records 200ms

Nameserver	IP addresses	PTR	ASN / ISP
nsa.perf1.fr	2a01:c8:100::100 81.92.94.100	nsa.perf1.fr nsa.perf1.fr	AS20756 Nameshield SAS AS20756 Nameshield SAS
nsb.perf1.com	2a01:c8:101::100 81.92.95.100	nsb.perf1.com nsb.perf1.com	AS20756 Nameshield SAS AS20756 Nameshield SAS
nsc.perf1.com	152.89.172.100 2a09:35c0:102::100	nsc.perf1.com nsc.perf1.com	AS209510 Nameshield SAS AS209510 Nameshield SAS

🌍 A Records3 records 195ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
152.89.172.56	43200s	cdn.perf1.com	AS209510	Nameshield SAS	152.89.172.0/22	🇫🇷 France	—
81.92.94.54	43200s	cdn.perf1.com	AS20756	Nameshield SAS	81.92.80.0/20	🇫🇷 France	Angers
81.92.95.55	43200s	cdn.perf1.com	AS20756	Nameshield SAS	81.92.80.0/20	🇫🇷 France	Angers

📧 MX Records1 records 270ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.sbl-lab.dk	178.20.216.15	ispc5.dotserv.com	AS21060 Atea A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mail.sbl-lab.dk → 178.20.216.15

🔷 AAAA Records (IPv6)3 records 176ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:c8:100::54	43200s	cdn.perf1.com	AS20756	Nameshield SAS	2a01:c8:0:0:0:0:0:0/32	🇫🇷 France	—
2a01:c8:101::55	43200s	cdn.perf1.com	AS20756	Nameshield SAS	2a01:c8:0:0:0:0:0:0/32	🇫🇷 France	—
2a09:35c0:102::56	43200s	cdn.perf1.com	AS209510	Nameshield SAS	2a09:35c0:100:0:0:0:0:0/40	🇫🇷 France	—

🔐 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)

🔐 DNSSEC448ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083107
Primary NS (MNAME)	nsa.perf1.fr
Responsible (RNAME)	technical@nameshield.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	7200s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

200ms

A

195ms

MX

270ms

AAAA

176ms

TXT

488ms

CAA

284ms

HTTPS

224ms

TLSA

257ms

SOA

0ms

MTA-STS

295ms

DNSSEC

448ms

SRV

333ms

Total

2546ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 15:47:36	2546ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-08-28 01:04:46	653ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-08-20 22:49:21	17214ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-08-13 12:31:40	4367ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-08-08 10:59:55	1023ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-08-02 21:59:57	10147ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-07-23 16:45:34	3314ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-07-18 09:47:57	1298ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-07-16 10:38:32	16791ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-07-14 16:38:35	1692ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-07-03 13:00:43	2740ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-06-26 14:10:56	2613ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-06-23 20:32:11	4192ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-06-22 22:13:14	1174ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 21:21:54	1246ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-06-22 04:20:41	998ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 04:08:33	1156ms	3 NS 3 A 1 MX	🔒 Secure	View
2026-06-18 01:00:28	1234ms	3 NS 3 A 1 MX	🔒 Secure	View