rfec.com - dns.ninja

rfec.com

DNSSEC⚠️ Not signed
A52.16.182.97🇮🇪 Amazon52.16.0.0/15 EC2 DUB prefix
PTRec2-52-16-182-97.eu-west-1.compute.amazonaws.com
A54.195.122.136🇮🇪 Amazon54.195.0.0/16 EC2 DUB prefix
A63.33.0.187🇮🇪 Amazon63.32.0.0/14 EC2 DUB prefix
NSns-340.awsdns-42.com ⭐
A2600:9000:5301:5400::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-340.awsdns-42.com
A205.251.193.84🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-340.awsdns-42.com
NSns-1481.awsdns-57.org
A2600:9000:5305:c900::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1481.awsdns-57.org
A205.251.197.201🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1481.awsdns-57.org
NSns-1547.awsdns-01.co.uk
A2600:9000:5306:b00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1547.awsdns-01.co.uk
A205.251.198.11🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1547.awsdns-01.co.uk
NSns-821.awsdns-38.net
A2600:9000:5303:3500::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-821.awsdns-38.net
A205.251.195.53🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-821.awsdns-38.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1d::1a🇺🇸 Google2607:f8b0:4004::/48
PTRww-in-f26.1e100.net
A173.194.45.27🇺🇸 Google173.194.0.0/16
PTRyuiadum-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx2.googlemail.com(30)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx3.googlemail.com(30)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx4.googlemail.com(30)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXaspmx5.googlemail.com(30)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTgoogle-site-verification=2pJ7gs-3tnfHGhSidH49N2WqIuzza2RbwnRKWBdnfGs
TXTv=spf1 include:_spf.google.com include:amazonses.com include:spf.mandrillapp....
SOAns-340.awsdns-42.comawsdns-hostmaster@amazon.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1780835516
rank #221209 globally
rank #93240 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (85/100)
📈 Tranco rank: #355,010

Subdomains

www.rfec.com

Same first word

rfec.ru
rfec.com
rfec.net
rfec.co.jp
rfec.co.uk
rfec.de

Similar names

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cref.com.au
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rcfe.com
frec.org.uk
crfe.ca
erfc.us
cref.fr
ecrf.kr
ecrf.de
ecrf.cn
ecrf.net
cerf.fr
cfre.net
recf.ca
cefr.com
crfe.info
cefr.asso.fr
cref.cc

DNS History

58 records (14 active, 44 former)

20162017201820192020202120222023202420252026NSns-1481.awsdns-57.orgns-1547.awsdns-01.co.ukns-340.awsdns-42.comns-821.awsdns-38.netfred.ns.cloudflare.commay.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA52.16.182.9754.195.122.13663.33.0.187148.251.179.211148.251.196.1418.200.132.6818.203.194.1202a01:578:3::3431:67c32a01:578:3::364c:681d3.248.18.2003.255.70.6934.242.17.5734.246.101.934.246.3.3634.246.9.17534.248.5.1334.251.12.4852.16.86.1452.17.119.7952.17.151.13452.19.237.24152.19.42.17952.209.135.24952.209.14.25352.213.251.2852.214.32.21552.214.76.13352.215.10.6452.30.173.9652.30.28.19352.49.103.19552.50.244.4252.51.66.354.154.129.8554.155.114.154.171.6.12854.171.86.10754.247.1.9954.247.191.10554.73.28.14754.76.104.2954.77.119.19954.77.62.15154.77.95.1163.34.188.251
○NSfred.ns.cloudflare.com2015-08-23 → 2015-12-16 · 4 obs
● 2015-08-23 20:44:22
● 2015-12-16 13:41:08
○ 2016-03-14 17:23:42
○ 2026-06-07 12:54:12
○NSmay.ns.cloudflare.com2015-08-23 → 2015-12-16 · 4 obs
● 2015-08-23 20:44:22
● 2015-12-16 13:41:08
○ 2016-03-14 17:23:42
○ 2026-06-07 12:54:12
●NSns-1481.awsdns-57.org2016-03-14 → 2026-06-07 · 3 obs
○ 2015-12-16 13:41:08
● 2016-03-14 17:23:42
● 2026-06-07 12:54:12
●NSns-1547.awsdns-01.co.uk2016-03-14 → 2026-06-07 · 3 obs
○ 2015-12-16 13:41:08
● 2016-03-14 17:23:42
● 2026-06-07 12:54:12
●NSns-340.awsdns-42.com2016-03-14 → 2026-06-07 · 3 obs
○ 2015-12-16 13:41:08
● 2016-03-14 17:23:42
● 2026-06-07 12:54:12
●NSns-821.awsdns-38.net2016-03-14 → 2026-06-07 · 3 obs
○ 2015-12-16 13:41:08
● 2016-03-14 17:23:42
● 2026-06-07 12:54:12
●MXalt1.aspmx.l.google.com2015-08-23 → 2026-06-07 · 2 obs
● 2015-08-23 20:44:22
● 2026-06-07 12:54:12
●MXalt2.aspmx.l.google.com2015-08-23 → 2026-06-07 · 2 obs
● 2015-08-23 20:44:22
● 2026-06-07 12:54:12
●MXaspmx.l.google.com2015-08-23 → 2026-06-07 · 2 obs
● 2015-08-23 20:44:22
● 2026-06-07 12:54:12
●MXaspmx2.googlemail.com2015-08-23 → 2026-06-07 · 2 obs
● 2015-08-23 20:44:22
● 2026-06-07 12:54:12
●MXaspmx3.googlemail.com2015-08-23 → 2026-06-07 · 2 obs
● 2015-08-23 20:44:22
● 2026-06-07 12:54:12
●MXaspmx4.googlemail.com2015-08-23 → 2026-06-07 · 2 obs
● 2015-08-23 20:44:22
● 2026-06-07 12:54:12
●MXaspmx5.googlemail.com2015-08-23 → 2026-06-07 · 2 obs
● 2015-08-23 20:44:22
● 2026-06-07 12:54:12
○A148.251.179.2112015-12-16 → 2016-03-14 · 5 obs
○ 2015-08-23 20:44:22
● 2015-12-16 13:41:08
● 2016-03-14 17:23:42
○ 2016-05-13 07:24:42
○ 2026-06-07 12:54:12
○A148.251.196.142015-08-23 → 2015-08-23 · 3 obs
● 2015-08-23 20:44:22
○ 2015-12-16 13:41:08
○ 2026-06-07 12:54:12
○A18.200.132.682026-03-22 → 2026-03-22 · 4 obs
○ 2026-02-26 02:10:46
● 2026-03-22 04:42:06
○ 2026-04-02 21:26:52
○ 2026-06-07 12:54:12
○A18.203.194.1202026-04-06 → 2026-04-07 · 5 obs
○ 2026-04-02 21:26:52
● 2026-04-06 17:21:22
● 2026-04-07 11:36:30
○ 2026-04-23 23:50:48
○ 2026-06-07 12:54:12
○A2a01:578:3::3431:67c32016-05-13 → 2016-05-13 · 4 obs
○ 2016-03-14 17:23:42
● 2016-05-13 07:24:42
○ 2026-02-26 02:10:46
○ 2026-06-07 12:54:12
○A2a01:578:3::364c:681d2016-05-13 → 2016-05-13 · 4 obs
○ 2016-03-14 17:23:42
● 2016-05-13 07:24:42
○ 2026-02-26 02:10:46
○ 2026-06-07 12:54:12
○A3.248.18.2002026-04-26 → 2026-04-26 · 4 obs
○ 2026-04-25 12:13:34
● 2026-04-26 17:06:30
○ 2026-04-27 19:17:34
○ 2026-06-07 12:54:12
○A3.255.70.692026-04-23 → 2026-04-24 · 5 obs
○ 2026-04-07 11:36:30
● 2026-04-23 23:50:48
● 2026-04-24 12:10:20
○ 2026-04-25 12:13:34
○ 2026-06-07 12:54:12
○A34.242.17.572026-05-17 → 2026-05-17 · 4 obs
○ 2026-05-13 19:38:42
● 2026-05-17 17:45:48
○ 2026-06-07 12:54:10
○ 2026-06-07 12:54:12
○A34.246.101.92026-05-06 → 2026-05-06 · 4 obs
○ 2026-05-01 15:58:54
● 2026-05-06 17:49:28
○ 2026-05-13 19:38:42
○ 2026-06-07 12:54:12
○A34.246.3.362026-04-26 → 2026-04-26 · 4 obs
○ 2026-04-25 12:13:34
● 2026-04-26 17:06:30
○ 2026-04-27 19:17:34
○ 2026-06-07 12:54:12
○A34.246.9.1752026-04-02 → 2026-04-02 · 4 obs
○ 2026-03-22 04:42:06
● 2026-04-02 21:26:52
○ 2026-04-06 17:21:22
○ 2026-06-07 12:54:12
○A34.248.5.132026-02-26 → 2026-02-26 · 4 obs
○ 2016-05-13 07:24:42
● 2026-02-26 02:10:46
○ 2026-03-22 04:42:06
○ 2026-06-07 12:54:12
○A34.251.12.482026-02-26 → 2026-06-07 · 2 obs
○ 2026-02-26 02:10:46
○ 2026-06-07 12:54:12
●A52.16.182.972026-06-07 → 2026-06-07 · 3 obs
○ 2026-05-17 17:45:48
● 2026-06-07 12:54:10
● 2026-06-07 12:54:12
○A52.16.86.142026-04-23 → 2026-04-24 · 5 obs
○ 2026-04-07 11:36:30
● 2026-04-23 23:50:48
● 2026-04-24 12:10:20
○ 2026-04-25 12:13:34
○ 2026-06-07 12:54:12
○A52.17.119.792026-04-27 → 2026-05-01 · 5 obs
○ 2026-04-26 17:06:30
● 2026-04-27 19:17:34
● 2026-05-01 15:58:54
○ 2026-05-06 17:49:28
○ 2026-06-07 12:54:12
○A52.17.151.1342026-04-06 → 2026-04-07 · 5 obs
○ 2026-04-02 21:26:52
● 2026-04-06 17:21:22
● 2026-04-07 11:36:30
○ 2026-04-23 23:50:48
○ 2026-06-07 12:54:12
○A52.19.237.2412026-05-17 → 2026-05-17 · 4 obs
○ 2026-05-13 19:38:42
● 2026-05-17 17:45:48
○ 2026-06-07 12:54:10
○ 2026-06-07 12:54:12
○A52.19.42.1792026-04-23 → 2026-04-24 · 5 obs
○ 2026-04-07 11:36:30
● 2026-04-23 23:50:48
● 2026-04-24 12:10:20
○ 2026-04-25 12:13:34
○ 2026-06-07 12:54:12
○A52.209.135.2492026-02-26 → 2026-06-07 · 2 obs
○ 2026-02-26 02:10:46
○ 2026-06-07 12:54:12
○A52.209.14.2532026-03-22 → 2026-03-22 · 4 obs
○ 2026-02-26 02:10:46
● 2026-03-22 04:42:06
○ 2026-04-02 21:26:52
○ 2026-06-07 12:54:12
○A52.213.251.282026-05-06 → 2026-05-06 · 4 obs
○ 2026-05-01 15:58:54
● 2026-05-06 17:49:28
○ 2026-05-13 19:38:42
○ 2026-06-07 12:54:12
○A52.214.32.2152026-05-13 → 2026-05-13 · 4 obs
○ 2026-05-06 17:49:28
● 2026-05-13 19:38:42
○ 2026-05-17 17:45:48
○ 2026-06-07 12:54:12
○A52.214.76.1332026-04-02 → 2026-04-02 · 4 obs
○ 2026-03-22 04:42:06
● 2026-04-02 21:26:52
○ 2026-04-06 17:21:22
○ 2026-06-07 12:54:12
○A52.215.10.642026-05-13 → 2026-05-13 · 4 obs
○ 2026-05-06 17:49:28
● 2026-05-13 19:38:42
○ 2026-05-17 17:45:48
○ 2026-06-07 12:54:12
○A52.30.173.962026-02-26 → 2026-06-07 · 2 obs
○ 2026-02-26 02:10:46
○ 2026-06-07 12:54:12
○A52.30.28.1932026-05-06 → 2026-05-06 · 4 obs
○ 2026-05-01 15:58:54
● 2026-05-06 17:49:28
○ 2026-05-13 19:38:42
○ 2026-06-07 12:54:12
○A52.49.103.1952016-05-13 → 2016-05-13 · 4 obs
○ 2016-03-14 17:23:42
● 2016-05-13 07:24:42
○ 2026-02-26 02:10:46
○ 2026-06-07 12:54:12
○A52.50.244.422026-05-13 → 2026-05-13 · 4 obs
○ 2026-05-06 17:49:28
● 2026-05-13 19:38:42
○ 2026-05-17 17:45:48
○ 2026-06-07 12:54:12
○A52.51.66.32026-04-27 → 2026-05-01 · 5 obs
○ 2026-04-26 17:06:30
● 2026-04-27 19:17:34
● 2026-05-01 15:58:54
○ 2026-05-06 17:49:28
○ 2026-06-07 12:54:12
○A54.154.129.852026-04-25 → 2026-04-25 · 4 obs
○ 2026-04-24 12:10:20
● 2026-04-25 12:13:34
○ 2026-04-26 17:06:30
○ 2026-06-07 12:54:12
○A54.155.114.12026-04-02 → 2026-04-02 · 4 obs
○ 2026-03-22 04:42:06
● 2026-04-02 21:26:52
○ 2026-04-06 17:21:22
○ 2026-06-07 12:54:12
○A54.171.6.1282026-02-26 → 2026-02-26 · 4 obs
○ 2016-05-13 07:24:42
● 2026-02-26 02:10:46
○ 2026-03-22 04:42:06
○ 2026-06-07 12:54:12
○A54.171.86.1072026-04-26 → 2026-04-26 · 4 obs
○ 2026-04-25 12:13:34
● 2026-04-26 17:06:30
○ 2026-04-27 19:17:34
○ 2026-06-07 12:54:12
●A54.195.122.1362026-06-07 → 2026-06-07 · 3 obs
○ 2026-05-17 17:45:48
● 2026-06-07 12:54:10
● 2026-06-07 12:54:12
○A54.247.1.992026-02-26 → 2026-02-26 · 4 obs
○ 2016-05-13 07:24:42
● 2026-02-26 02:10:46
○ 2026-03-22 04:42:06
○ 2026-06-07 12:54:12
○A54.247.191.1052026-05-17 → 2026-05-17 · 4 obs
○ 2026-05-13 19:38:42
● 2026-05-17 17:45:48
○ 2026-06-07 12:54:10
○ 2026-06-07 12:54:12
○A54.73.28.1472026-04-25 → 2026-04-25 · 4 obs
○ 2026-04-24 12:10:20
● 2026-04-25 12:13:34
○ 2026-04-26 17:06:30
○ 2026-06-07 12:54:12
○A54.76.104.292016-05-13 → 2016-05-13 · 4 obs
○ 2016-03-14 17:23:42
● 2016-05-13 07:24:42
○ 2026-02-26 02:10:46
○ 2026-06-07 12:54:12
○A54.77.119.1992026-04-06 → 2026-04-07 · 5 obs
○ 2026-04-02 21:26:52
● 2026-04-06 17:21:22
● 2026-04-07 11:36:30
○ 2026-04-23 23:50:48
○ 2026-06-07 12:54:12
○A54.77.62.1512026-04-25 → 2026-04-25 · 4 obs
○ 2026-04-24 12:10:20
● 2026-04-25 12:13:34
○ 2026-04-26 17:06:30
○ 2026-06-07 12:54:12
○A54.77.95.112026-03-22 → 2026-03-22 · 4 obs
○ 2026-02-26 02:10:46
● 2026-03-22 04:42:06
○ 2026-04-02 21:26:52
○ 2026-06-07 12:54:12
●A63.33.0.1872026-06-07 → 2026-06-07 · 3 obs
○ 2026-05-17 17:45:48
● 2026-06-07 12:54:10
● 2026-06-07 12:54:12
○A63.34.188.2512026-04-27 → 2026-05-01 · 5 obs
○ 2026-04-26 17:06:30
● 2026-04-27 19:17:34
● 2026-05-01 15:58:54
○ 2026-05-06 17:49:28
○ 2026-06-07 12:54:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...-
rfec.comns-340.awsdns-42.com, ns-821.awsdns-38.net, ns-1547.awsdns-01.co.uk, ns-1481.awsdns-57.org2 records

✅ Authoritative Response

Server:205.251.193.84

NS records: ns-340.awsdns-42.com, ns-821.awsdns-38.net, ns-1547.awsdns-01.co.uk, ns-1481.awsdns-57.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rfec.com (unsigned zone)

⏱️ Timing

Total: 1245ms | Queries: -

📄 Records

TypeCountSample Data
A363.33.0.187, 54.195.122.136...
NS4ns-1481.awsdns-57.org, ns-1547.awsdns-01.co.uk...
MX7aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...
TXT2google-site-verification=2pJ7gs-3tnfHGhS, v=spf1 include:_spf.google.com include:a
SOA1ns-340.awsdns-42.com awsdns-hostmaster.a

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-340.awsdns-42.com, ns-340.awsdns-42.com)

Analysis

Hierarchy

The domain www.rfec.com falls under the parent rfec.com.

IP Addresses

rfec.com points to three IP numbers, namely 52.16.182.97, 54.195.122.136 and 63.33.0.187.

Other host names, such as ec2-63-33-0-187.eu-west-1.compute.amazonaws.com, share IP numbers with rfec.com.

Name Servers

rfec.com is delegated to 4 name servers: ns-340.awsdns-42.com, ns-821.awsdns-38.net, ns-1481.awsdns-57.org and ns-1547.awsdns-01.co.uk.

At least some of rfec.com's name servers are shared with other domains, for example calatrio.app, defenseelectronicsmag.com, d1wgid97fs0p7t.cloudfront.net and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-340.awsdns-42.com directs to 205.251.193.84 and 2600:9000:5301:5400::1; ns-821.awsdns-38.net directs to 205.251.195.53 and 2600:9000:5303:3500::1; ns-1481.awsdns-57.org directs to 205.251.197.201 and 2600:9000:5305:c900::1; ns-1547.awsdns-01.co.uk directs to 205.251.198.11 and 2600:9000:5306:b00::1.

Mail Servers

The MX records for rfec.com list 7 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com plus four others.

At least some of the mail servers used by rfec.com are shared with other domains: ns500731.ns500731.ns500688.ns500705.ns500688.ns500705.ns500688.ns500704.ns500704.ns500291.ns500649.tenderladiesbz.com, ns500698.ns500698.ns500698.ns500759.ns500698.ns500698.ns500698.ns500708.ns500576.ns500698.ns500576.ns500576.ns500619.ns500619.trackreceptor.com, ns500754.ns500731.ns500731.ns500731.ns500742.ns500731.ns500671.ns500704.ns500704.ns500666.lustychickser.com and two others among them.

It is common for these mail servers to be used in conjunction with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, plus three others.

Host names pointing to two IP addresses:

aspmx2.googlemail.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx4.googlemail.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1a.

aspmx5.googlemail.com points to 173.194.76.27 and 2a00:1450:400c:c00::1b.

aspmx.l.google.com points to 173.194.45.27 and 2607:f8b0:4004:c1d::1a.

alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.

aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 2800:3f0:4003:c0f::1b IP addresses.

aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 108.177.123.26 IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 172.253.116.27 IP addresses.