shell-biogas.dk DNS records

🖥️ Nameservers3 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.shell.com	134.146.80.20	dns1.shell.com	AS3917 Shell Information Technology International B.V.
dns2.shell.com	144.199.196.20	dns2.shell.com	AS3918 Shell Information Technology International B.V.
dns3.shell.com	134.163.128.20	dns3.shell.com	AS11355 Shell Information Technology International, Inc.

🌍 A Records1 records 271ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.221.238.173	86400s	—	AS42876	Unit IT Services ApS	77.221.224.0/19	🇩🇰 Denmark	Ballerup Municipality

📧 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

Policy	Record (_dmarc.shell-biogas.dk)
p=reject	v=DMARC1; p=reject

📬 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)

🔐 DNSSEC336ms

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

🏷️ SOA0ms

Field	Value
Serial	472
Primary NS (MNAME)	nlrotdc1ib105.net-equip.shell.net
Responsible (RNAME)	dns@shell.com
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

271ms

MX

48ms

AAAA

51ms

TXT

391ms

CAA

272ms

HTTPS

266ms

TLSA

1210ms

SOA

0ms

MTA-STS

295ms

DNSSEC

336ms

SRV

292ms

Total

2294ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 04:22:40	2294ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-29 12:34:59	4265ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-28 03:04:22	3855ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 00:51:45	775ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-24 21:44:11	9447ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-23 21:23:05	7430ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 19:31:40	7138ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-21 19:24:17	6591ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-20 19:11:40	4421ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-19 18:00:51	8955ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-18 17:58:15	5580ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-17 06:18:47	4232ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-16 01:02:06	4126ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-12 19:59:18	9730ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-11 15:43:48	1774ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-10 07:50:38	4152ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-07 12:01:28	11769ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-08-04 01:57:59	3383ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-28 21:24:50	11946ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-27 12:59:41	5312ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-26 12:27:21	12071ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-25 12:10:54	2535ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-24 11:24:23	2393ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-23 07:58:20	3845ms	3 NS 1 A 0 MX	🔒 Secure	View
2026-07-22 04:18:15	3193ms	3 NS 1 A 0 MX	🔒 Secure	View