`mail.rulemailer.com`

DNSSEC	⚠️ Not signed
A	91.240.194.10^{🇸🇪 GLESYS91.240.194.0/24 Rule Communication route}
		PTR	`mail10.rulemailer.se`

`rulemailer.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:5226^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:98a9^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.38^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.169^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kara.ns.cloudflare.com` ⭐
NS	`phil.ns.cloudflare.com`
MX	`mail.rulemailer.com` ⭐
TXT	`spf2.0/pra a ptr mx ip4:91.240.194.0/24 ip4:91.240.194.0/24 ip4:192.176.241.0...`
TXT	`v=spf1 a mx ip4:217.118.211.112/28 ip4:91.240.194.0/24 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.82.38, 172.67.152.169
		IPv6 hints	2606:4700:3036::6815:5226, 2606:4700:3037::ac43:98a9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com
SOA	`kara.ns.cloudflare.com`dns@cloudflare.com serial=2400434728

MX for

rulemailer.com

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DNS History

1 record (1 active, 0 former)

●A91.240.194.102015-05-19 → 2026-04-26 · 2 obs

● 2015-05-19 19:14:58
● 2026-04-26 13:51:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net...	-
rulemailer.com	kara.ns.cloudflare.com, phil.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.137

NS records: kara.ns.cloudflare.com, phil.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rulemailer.com (unsigned zone)

⏱️ Timing

Total: 127ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.240.194.10`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (kara.ns.cloudflare.com, kara.ns.cloudflare.com, kara.ns.cloudflare.com...)

Analysis

Mail Server Role

mail.rulemailer.com functions as a mail server for rulemailer.com.

IP Addresses

mail.rulemailer.com resolves to one IP number: 91.240.194.10.

Other host names, for instance mail10.rulemailer.se, share IP numbers with mail.rulemailer.com.

mail.rulemailer.com - robtex.com