`mail.narrowsheating.com`

DNSSEC	⚠️ Not signed
A	131.191.87.16^{🇺🇸 AS14677131.191.87.0/24 'Spectrum Networks Proxy Registration'}
		PTR	`mail2.narrowsheating.com`
TXT	`o5j30gmajsou9ookcff308mj8e`

`narrowsheating.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:4954^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8e07^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.84^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.7^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`max.ns.cloudflare.com` ⭐
NS	`sandy.ns.cloudflare.com`
MX	`mail2.narrowsheating.com` ⭐
MX	`mail.narrowsheating.com`⁽¹⁰⁾
MX	`mxbackup1.junkemailfilter.com`⁽²⁰⁾
MX	`mxbackup2.junkemailfilter.com`⁽³⁰⁾
TXT	`P: CWA_STTL`
TXT	`brevo-code:b56fd7419137da5f326f0d1e4451a377`
TXT	`o5j30gmajsou9ookcff308mj8e`
TXT	`v=spf1 mx a ip4:131.191.87.16/32 a:mail.narrowsheating.com include:sendgrid.n...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.84, 172.67.142.7
		IPv6 hints	2606:4700:3032::6815:4954, 2606:4700:3035::ac43:8e07
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=231, name=cloudflare-ech.com
SOA	`max.ns.cloudflare.com`dns@cloudflare.com serial=2407448169

MX for

narrowsheating.com

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DNS History

2 records (1 active, 1 former)

●A131.191.87.162026-04-11 → 2026-07-25 · 3 obs

○ 2016-06-22 10:41:06
● 2026-04-11 20:50:38
● 2026-07-25 16:20:14

○A64.26.60.1532015-07-08 → 2016-06-22 · 4 obs

● 2015-07-08 06:44:46
● 2016-06-22 10:41:06
○ 2026-04-11 20:50:38
○ 2026-07-25 16:20:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
narrowsheating.com	max.ns.cloudflare.com, sandy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.132

NS records: max.ns.cloudflare.com, sandy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for narrowsheating.com (unsigned zone)

⏱️ Timing

Total: 274ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`131.191.87.16`
TXT	1	`o5j30gmajsou9ookcff308mj8e`

📌 Glue Records Collected

Total: 12

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

Analysis

Mail Server Role

Mail for narrowsheating.com is routed through the mail server mail.narrowsheating.com.

mxbackup1.junkemailfilter.com, mxbackup2.junkemailfilter.com and mail2.narrowsheating.com are often deployed as mail servers in conjunction with mail.narrowsheating.com.

IP Addresses

mail.narrowsheating.com has exactly one IP address — 131.191.87.16.

mail2.narrowsheating.com is an example of another host name that shares IP numbers with mail.narrowsheating.com.

mail.narrowsheating.com - robtex.com