`mail.markgilbert.org`

DNSSEC	⚠️ Not signed
A	91.112.5.230^{🇦🇹 A1TELEKOM-AT91.112.0.0/14 HIGHWAY194}
		PTR	`rosa.wien`
		PTR	`mail.rosa.wien`
		PTR	`server25.rosa.wien`

`markgilbert.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:4f2b^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8ded^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.43^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.237^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gemma.ns.cloudflare.com` ⭐
NS	`matteo.ns.cloudflare.com`
MX	`mail.markgilbert.org` ⭐
TXT	`v=spf1 mx:markgilbert.org ip4:91.112.5.230 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.79.43, 172.67.141.237
		IPv6	2606:4700:3033::6815:4f2b, 2606:4700:3037::ac43:8ded
SOA	`gemma.ns.cloudflare.com`dns@cloudflare.com serial=2399728503

MX for

markgilbert.org

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DNS History

2 records (1 active, 1 former)

○A91.112.5.2262015-06-29 → 2016-04-08 · 4 obs

● 2015-06-29 01:38:24
● 2016-04-08 06:05:18
○ 2026-02-16 11:33:16
○ 2026-03-24 09:18:00

●A91.112.5.2302026-02-16 → 2026-03-24 · 3 obs

○ 2016-04-08 06:05:18
● 2026-02-16 11:33:16
● 2026-03-24 09:18:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
markgilbert.org	gemma.ns.cloudflare.com, matteo.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.27

NS records: gemma.ns.cloudflare.com, matteo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for markgilbert.org (unsigned zone)

⏱️ Timing

Total: 244ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.112.5.230`

Analysis

Mail Server Role

mail.markgilbert.org is the mail server for markgilbert.org.

IP Addresses

mail.markgilbert.org points to a single IP number: 91.112.5.230.

Other host names, for instance mail.lightandshade.at, mail.rosa.wien and mail.packagers.at share IP numbers with mail.markgilbert.org.

mail.markgilbert.org - robtex.com