`rmetcalf.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1a21^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8755^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.26.33^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.135.85^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`colin.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c4b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c34b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`colin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:234b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`colin.ns.cloudflare.com`
		A	108.162.195.75^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	162.159.44.75^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
		A	172.64.35.75^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`colin.ns.cloudflare.com`
NS	`ines.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ines.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ines.ns.cloudflare.com`
		A	108.162.192.164^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
		A	172.64.32.164^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
		A	173.245.58.164^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ines.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.26.33, 172.67.135.85
		IPv6 hints	2606:4700:3031::6815:1a21, 2606:4700:3036::ac43:8755
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=20, name=cloudflare-ech.com
SOA	`colin.ns.cloudflare.com`dns@cloudflare.com serial=2402293568

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776981471

Previously MX for

rmetcalf.com

Same first word

rmetcalf.com

Similar names

fcmalert.com

melcraft.ca

melcraft.com

mceltarf.dz

DNS History

14 records (6 active, 8 former)

●NScolin.ns.cloudflare.com2026-04-13 → 2026-04-23 · 3 obs

○ 2017-12-12 02:56:32
● 2026-04-13 19:06:16
● 2026-04-23 22:28:02

○NSdns1.midphase.com2016-12-27 → 2017-12-12 · 5 obs

○ 2016-04-29 03:29:06
● 2016-12-27 05:39:44
● 2017-12-12 02:56:32
○ 2026-04-13 19:06:16
○ 2026-04-23 22:28:02

●NSines.ns.cloudflare.com2026-04-13 → 2026-04-23 · 3 obs

○ 2017-12-12 02:56:32
● 2026-04-13 19:06:16
● 2026-04-23 22:28:02

○NSns14.midphase.com2015-06-23 → 2017-12-12 · 6 obs

● 2015-06-23 03:12:20
● 2016-04-29 03:29:06
○ 2016-12-27 05:39:44
● 2017-12-12 02:56:32
○ 2026-04-13 19:06:16
○ 2026-04-23 22:28:02

○NSns15.midphase.com2015-06-23 → 2016-04-29 · 4 obs

● 2015-06-23 03:12:20
● 2016-04-29 03:29:06
○ 2016-12-27 05:39:44
○ 2026-04-23 22:28:02

○NSns16.midphase.com2015-06-23 → 2016-04-29 · 4 obs

● 2015-06-23 03:12:20
● 2016-04-29 03:29:06
○ 2016-12-27 05:39:44
○ 2026-04-23 22:28:02

○MXmx.rmetcalf.com.cust.a.hostedemail.com2016-12-27 → 2017-12-12 · 5 obs

○ 2016-04-29 03:29:06
● 2016-12-27 05:39:44
● 2017-12-12 02:56:32
○ 2026-04-13 19:06:16
○ 2026-04-23 22:28:02

○MXrmetcalf.com2015-06-23 → 2016-04-29 · 4 obs

● 2015-06-23 03:12:20
● 2016-04-29 03:29:06
○ 2016-12-27 05:39:44
○ 2026-04-23 22:28:02

●A104.21.26.332026-04-13 → 2026-04-23 · 3 obs

○ 2017-12-12 02:56:32
● 2026-04-13 19:06:16
● 2026-04-23 22:28:02

●A172.67.135.852026-04-13 → 2026-04-23 · 3 obs

○ 2017-12-12 02:56:32
● 2026-04-13 19:06:16
● 2026-04-23 22:28:02

○A174.127.107.962015-06-23 → 2016-04-29 · 4 obs

● 2015-06-23 03:12:20
● 2016-04-29 03:29:06
○ 2016-12-27 05:39:44
○ 2026-04-23 22:28:02

○A208.131.150.1692016-12-27 → 2017-12-12 · 5 obs

○ 2016-04-29 03:29:06
● 2016-12-27 05:39:44
● 2017-12-12 02:56:32
○ 2026-04-13 19:06:16
○ 2026-04-23 22:28:02

●A2606:4700:3031::6815:1a212026-04-13 → 2026-04-23 · 3 obs

○ 2017-12-12 02:56:32
● 2026-04-13 19:06:16
● 2026-04-23 22:28:02

●A2606:4700:3036::ac43:87552026-04-13 → 2026-04-23 · 3 obs

○ 2017-12-12 02:56:32
● 2026-04-13 19:06:16
● 2026-04-23 22:28:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
rmetcalf.com	ines.ns.cloudflare.com, colin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.75

NS records: ines.ns.cloudflare.com, colin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rmetcalf.com (unsigned zone)

⏱️ Timing

Total: 125ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.26.33, 172.67.135.85`
AAAA	2	`2606:4700:3031::6815:1a21, 2606:4700:3036::ac43:8755`
NS	2	`colin.ns.cloudflare.com, ines.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`colin.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

rmetcalf.com maps to four IP numbers: 2606:4700:3031::6815:1a21, 2606:4700:3036::ac43:8755, 104.21.26.33 and 172.67.135.85.

Other host names, for instance linklesat.com, www.hanime1.ist, es-conseil.fr, ksmedcenter.com and tours-greece.gr share IP numbers with rmetcalf.com.

Name Servers

Two name servers colin.ns.cloudflare.com and ines.ns.cloudflare.com handle delegation for rmetcalf.com.

rmetcalf.com uses the same name server setup as other domains, for example mcst.tw, mjgcos.com, medlitics.com, harbingergroupinc.com and zieba.net.

rmetcalf.com partially shares name servers with other domains; examples include snohomishcountybusinessjournal.com, fonobussrl.com, recoratogramme.my.id, badtv-lqes.xyz and nano-share.com.

These name servers are commonly used with laylah.ns.cloudflare.com, noor.ns.cloudflare.com and jewel.ns.cloudflare.com.

Host names with six IP numbers: colin.ns.cloudflare.com points to: 2606:4700:58::a29f:2c4b, 2803:f800:50::6ca2:c34b, 2a06:98c1:50::ac40:234b, 108.162.195.75, 162.159.44.75 and 172.64.35.75; ines.ns.cloudflare.com points to: 2606:4700:50::adf5:3aa4, 2803:f800:50::6ca2:c0a4, 2a06:98c1:50::ac40:20a4, 108.162.192.164, 172.64.32.164 and 173.245.58.164.

rmetcalf.com - robtex.com

rmetcalf.com

com

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`rmetcalf.com`

`com`