sfjava.org - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

sfjava.org

DNSSEC⚠️ Not signed
A3.171.61.7🇺🇸 Amazon3.171.60.0/23
PTRserver-3-171-61-7.iad61.r.cloudfront.net
A3.171.61.25🇺🇸 Amazon3.171.60.0/23
A3.171.61.53🇺🇸 Amazon3.171.60.0/23
A3.171.61.78🇺🇸 Amazon3.171.60.0/23
NSns-1354.awsdns-41.org ⭐
A2600:9000:5305:4a00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1354.awsdns-41.org
A205.251.197.74🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1354.awsdns-41.org
NSns-172.awsdns-21.com
A2600:9000:5300:ac00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-172.awsdns-21.com
A205.251.192.172🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-172.awsdns-21.com
NSns-1781.awsdns-30.co.uk
A2600:9000:5306:f500::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1781.awsdns-30.co.uk
A205.251.198.245🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1781.awsdns-30.co.uk
NSns-810.awsdns-37.net
A2600:9000:5303:2a00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-810.awsdns-37.net
A205.251.195.42🇺🇸 Amazon205.251.195.0/24 prefix
MXone-relay.mxroute.com ⭐
A159.69.143.143🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC
MXone.mxroute.com(20)
A159.69.143.143🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC
TXTv=spf1 include:mxroute.com -all
SOAns-1354.awsdns-41.orgawsdns-hostmaster@amazon.com serial=1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1791634953

Subdomains

www.sfjava.org

Same first word

sfjava.org
sfjava.ca
sfjava.net

Similar names

javafs.com
javfas.com
vjfaas.vip
javafs.blogspot.com

Previous names

sfix.org
sfiybp.org
sfizio.org
sfizioso.org
sfj-art.org
sfj-cannata.org
sfj-foundation.org
sfj-nagasaki.org
sfj.org
sfj105.org
sfja.org
sfjaademy.org
sfjacademy.org
sfjag.org
sfjam.org
sfjamaat.org
sfjapaneseteagarden.org
sfjapantown.org
sfjarf.org

Next names

sfjazz-cardonations.org
sfjazz.org
sfjazzfestival.org
sfjb.org
sfjbfoundation.org
sfjbs.org
sfjc.org
sfjcapital.org
sfjcc.org
sfjccaustin.org
sfjcf.org
sfjcrf.org
sfjd.org
sfjdmv.org
sfje.org
sfjerk.org
sfjewelball.org
sfjewish.org

DNS History

39 records (10 active, 29 former)

20162017201820192020202120222023202420252026NSns-1354.awsdns-41.orgns-172.awsdns-21.comns-1781.awsdns-30.co.ukns-810.awsdns-37.netdns1.cscdns.netdns2.cscdns.netns1.markmonitor.comns2.markmonitor.comns3.markmonitor.comns4.markmonitor.comns5.markmonitor.comns6.markmonitor.comns7.markmonitor.comMXone-relay.mxroute.comone.mxroute.comcustmx.cscdns.netA3.171.61.253.171.61.533.171.61.73.171.61.7813.33.109.3413.33.109.5113.33.109.7913.33.109.87165.160.13.20165.160.15.2018.165.227.5518.165.227.5818.165.227.8718.165.227.973.160.196.453.160.196.463.160.196.953.160.196.9672.52.10.1499.84.41.11099.84.41.12199.84.41.6299.84.41.84
○NSdns1.cscdns.net2015-05-31 → 2016-04-11 · 4 obs
● 2015-05-31 10:42:52
● 2016-04-11 01:49:08
○ 2017-04-03 13:55:50
○ 2026-10-10 12:41:50
○NSdns2.cscdns.net2015-05-31 → 2016-04-11 · 4 obs
● 2015-05-31 10:42:52
● 2016-04-11 01:49:08
○ 2017-04-03 13:55:50
○ 2026-10-10 12:41:50
●NSns-1354.awsdns-41.org2026-09-15 → 2026-10-10 · 3 obs
○ 2017-04-03 13:55:50
● 2026-09-15 16:47:28
● 2026-10-10 12:41:50
●NSns-172.awsdns-21.com2026-09-15 → 2026-10-10 · 3 obs
○ 2017-04-03 13:55:50
● 2026-09-15 16:47:28
● 2026-10-10 12:41:50
●NSns-1781.awsdns-30.co.uk2026-09-15 → 2026-10-10 · 3 obs
○ 2017-04-03 13:55:50
● 2026-09-15 16:47:28
● 2026-10-10 12:41:50
●NSns-810.awsdns-37.net2026-09-15 → 2026-10-10 · 3 obs
○ 2017-04-03 13:55:50
● 2026-09-15 16:47:28
● 2026-10-10 12:41:50
○NSns1.markmonitor.com2017-04-03 → 2017-04-03 · 4 obs
○ 2016-04-11 01:49:08
● 2017-04-03 13:55:50
○ 2026-09-15 16:47:28
○ 2026-10-10 12:41:50
○NSns2.markmonitor.com2017-04-03 → 2017-04-03 · 4 obs
○ 2016-04-11 01:49:08
● 2017-04-03 13:55:50
○ 2026-09-15 16:47:28
○ 2026-10-10 12:41:50
○NSns3.markmonitor.com2017-04-03 → 2017-04-03 · 4 obs
○ 2016-04-11 01:49:08
● 2017-04-03 13:55:50
○ 2026-09-15 16:47:28
○ 2026-10-10 12:41:50
○NSns4.markmonitor.com2017-04-03 → 2017-04-03 · 4 obs
○ 2016-04-11 01:49:08
● 2017-04-03 13:55:50
○ 2026-09-15 16:47:28
○ 2026-10-10 12:41:50
○NSns5.markmonitor.com2017-04-03 → 2017-04-03 · 4 obs
○ 2016-04-11 01:49:08
● 2017-04-03 13:55:50
○ 2026-09-15 16:47:28
○ 2026-10-10 12:41:50
○NSns6.markmonitor.com2017-04-03 → 2017-04-03 · 4 obs
○ 2016-04-11 01:49:08
● 2017-04-03 13:55:50
○ 2026-09-15 16:47:28
○ 2026-10-10 12:41:50
○NSns7.markmonitor.com2017-04-03 → 2017-04-03 · 4 obs
○ 2016-04-11 01:49:08
● 2017-04-03 13:55:50
○ 2026-09-15 16:47:28
○ 2026-10-10 12:41:50
○MXcustmx.cscdns.net2015-05-31 → 2016-04-11 · 4 obs
● 2015-05-31 10:42:52
● 2016-04-11 01:49:08
○ 2017-04-03 13:55:50
○ 2026-10-10 12:41:50
●MXone-relay.mxroute.com2026-09-15 → 2026-10-10 · 3 obs
○ 2017-04-03 13:55:50
● 2026-09-15 16:47:28
● 2026-10-10 12:41:50
●MXone.mxroute.com2026-09-15 → 2026-10-10 · 3 obs
○ 2017-04-03 13:55:50
● 2026-09-15 16:47:28
● 2026-10-10 12:41:50
○A13.33.109.342026-09-19 → 2026-09-20 · 8 obs
○ 2026-09-18 13:38:38
● 2026-09-19 18:51:34
○ 2026-09-19 19:53:08
● 2026-09-20 00:56:08
○ 2026-09-20 02:33:48
● 2026-09-20 03:17:26
○ 2026-09-20 05:36:46
○ 2026-10-10 12:41:50
○A13.33.109.512026-09-19 → 2026-09-20 · 8 obs
○ 2026-09-18 13:38:38
● 2026-09-19 18:51:34
○ 2026-09-19 19:53:08
● 2026-09-20 00:56:08
○ 2026-09-20 02:33:48
● 2026-09-20 03:17:26
○ 2026-09-20 05:36:46
○ 2026-10-10 12:41:50
○A13.33.109.792026-09-19 → 2026-09-20 · 8 obs
○ 2026-09-18 13:38:38
● 2026-09-19 18:51:34
○ 2026-09-19 19:53:08
● 2026-09-20 00:56:08
○ 2026-09-20 02:33:48
● 2026-09-20 03:17:26
○ 2026-09-20 05:36:46
○ 2026-10-10 12:41:50
○A13.33.109.872026-09-19 → 2026-09-20 · 8 obs
○ 2026-09-18 13:38:38
● 2026-09-19 18:51:34
○ 2026-09-19 19:53:08
● 2026-09-20 00:56:08
○ 2026-09-20 02:33:48
● 2026-09-20 03:17:26
○ 2026-09-20 05:36:46
○ 2026-10-10 12:41:50
○A165.160.13.202015-05-31 → 2016-04-11 · 4 obs
● 2015-05-31 10:42:52
● 2016-04-11 01:49:08
○ 2017-04-03 13:55:50
○ 2026-10-10 12:41:50
○A165.160.15.202015-05-31 → 2016-04-11 · 4 obs
● 2015-05-31 10:42:52
● 2016-04-11 01:49:08
○ 2017-04-03 13:55:50
○ 2026-10-10 12:41:50
○A18.165.227.552026-09-15 → 2026-09-21 · 14 obs
○ 2017-04-03 13:55:50
● 2026-09-15 16:47:28
○ 2026-09-15 18:44:58
● 2026-09-18 13:38:38
○ 2026-09-19 18:51:34
● 2026-09-19 19:53:08
○ 2026-09-20 00:56:08
● 2026-09-20 02:33:48
○ 2026-09-20 03:17:26
● 2026-09-20 05:36:46
○ 2026-09-21 01:30:22
● 2026-09-21 15:27:06
○ 2026-09-22 09:14:18
○ 2026-10-10 12:41:50
○A18.165.227.582026-09-15 → 2026-09-21 · 14 obs
○ 2017-04-03 13:55:50
● 2026-09-15 16:47:28
○ 2026-09-15 18:44:58
● 2026-09-18 13:38:38
○ 2026-09-19 18:51:34
● 2026-09-19 19:53:08
○ 2026-09-20 00:56:08
● 2026-09-20 02:33:48
○ 2026-09-20 03:17:26
● 2026-09-20 05:36:46
○ 2026-09-21 01:30:22
● 2026-09-21 15:27:06
○ 2026-09-22 09:14:18
○ 2026-10-10 12:41:50
○A18.165.227.872026-09-15 → 2026-09-21 · 14 obs
○ 2017-04-03 13:55:50
● 2026-09-15 16:47:28
○ 2026-09-15 18:44:58
● 2026-09-18 13:38:38
○ 2026-09-19 18:51:34
● 2026-09-19 19:53:08
○ 2026-09-20 00:56:08
● 2026-09-20 02:33:48
○ 2026-09-20 03:17:26
● 2026-09-20 05:36:46
○ 2026-09-21 01:30:22
● 2026-09-21 15:27:06
○ 2026-09-22 09:14:18
○ 2026-10-10 12:41:50
○A18.165.227.972026-09-15 → 2026-09-21 · 14 obs
○ 2017-04-03 13:55:50
● 2026-09-15 16:47:28
○ 2026-09-15 18:44:58
● 2026-09-18 13:38:38
○ 2026-09-19 18:51:34
● 2026-09-19 19:53:08
○ 2026-09-20 00:56:08
● 2026-09-20 02:33:48
○ 2026-09-20 03:17:26
● 2026-09-20 05:36:46
○ 2026-09-21 01:30:22
● 2026-09-21 15:27:06
○ 2026-09-22 09:14:18
○ 2026-10-10 12:41:50
○A3.160.196.452026-09-29 → 2026-10-09 · 22 obs
○ 2026-09-25 18:59:30
● 2026-09-29 20:24:52
○ 2026-09-30 01:06:34
● 2026-09-30 23:08:06
○ 2026-10-01 01:09:08
● 2026-10-01 15:52:50
○ 2026-10-02 13:34:48
● 2026-10-03 00:59:06
○ 2026-10-03 02:24:18
● 2026-10-03 17:58:58
○ 2026-10-04 01:21:56
● 2026-10-04 05:38:28
○ 2026-10-05 07:28:22
● 2026-10-05 12:12:54
○ 2026-10-05 19:27:34
● 2026-10-07 16:28:46
○ 2026-10-08 01:24:26
● 2026-10-08 14:36:12
○ 2026-10-09 13:32:16
● 2026-10-09 22:04:48
○ 2026-10-10 12:41:44
○ 2026-10-10 12:41:50
○A3.160.196.462026-09-29 → 2026-10-09 · 22 obs
○ 2026-09-25 18:59:30
● 2026-09-29 20:24:52
○ 2026-09-30 01:06:34
● 2026-09-30 23:08:06
○ 2026-10-01 01:09:08
● 2026-10-01 15:52:50
○ 2026-10-02 13:34:48
● 2026-10-03 00:59:06
○ 2026-10-03 02:24:18
● 2026-10-03 17:58:58
○ 2026-10-04 01:21:56
● 2026-10-04 05:38:28
○ 2026-10-05 07:28:22
● 2026-10-05 12:12:54
○ 2026-10-05 19:27:34
● 2026-10-07 16:28:46
○ 2026-10-08 01:24:26
● 2026-10-08 14:36:12
○ 2026-10-09 13:32:16
● 2026-10-09 22:04:48
○ 2026-10-10 12:41:44
○ 2026-10-10 12:41:50
○A3.160.196.952026-09-29 → 2026-10-09 · 22 obs
○ 2026-09-25 18:59:30
● 2026-09-29 20:24:52
○ 2026-09-30 01:06:34
● 2026-09-30 23:08:06
○ 2026-10-01 01:09:08
● 2026-10-01 15:52:50
○ 2026-10-02 13:34:48
● 2026-10-03 00:59:06
○ 2026-10-03 02:24:18
● 2026-10-03 17:58:58
○ 2026-10-04 01:21:56
● 2026-10-04 05:38:28
○ 2026-10-05 07:28:22
● 2026-10-05 12:12:54
○ 2026-10-05 19:27:34
● 2026-10-07 16:28:46
○ 2026-10-08 01:24:26
● 2026-10-08 14:36:12
○ 2026-10-09 13:32:16
● 2026-10-09 22:04:48
○ 2026-10-10 12:41:44
○ 2026-10-10 12:41:50
○A3.160.196.962026-09-29 → 2026-10-09 · 22 obs
○ 2026-09-25 18:59:30
● 2026-09-29 20:24:52
○ 2026-09-30 01:06:34
● 2026-09-30 23:08:06
○ 2026-10-01 01:09:08
● 2026-10-01 15:52:50
○ 2026-10-02 13:34:48
● 2026-10-03 00:59:06
○ 2026-10-03 02:24:18
● 2026-10-03 17:58:58
○ 2026-10-04 01:21:56
● 2026-10-04 05:38:28
○ 2026-10-05 07:28:22
● 2026-10-05 12:12:54
○ 2026-10-05 19:27:34
● 2026-10-07 16:28:46
○ 2026-10-08 01:24:26
● 2026-10-08 14:36:12
○ 2026-10-09 13:32:16
● 2026-10-09 22:04:48
○ 2026-10-10 12:41:44
○ 2026-10-10 12:41:50
●A3.171.61.252026-09-15 → 2026-10-10 · 27 obs
○ 2026-09-15 16:47:28
● 2026-09-15 18:44:58
○ 2026-09-18 13:38:38
● 2026-09-21 12:55:30
○ 2026-09-21 15:27:06
● 2026-09-22 09:14:18
○ 2026-09-22 21:41:14
● 2026-09-23 06:56:22
○ 2026-09-25 03:36:30
● 2026-09-25 18:59:30
○ 2026-09-29 20:24:52
● 2026-09-30 01:06:34
○ 2026-09-30 23:08:06
● 2026-10-01 01:09:08
○ 2026-10-01 15:52:50
● 2026-10-04 01:21:56
○ 2026-10-04 05:38:28
● 2026-10-05 07:28:22
○ 2026-10-05 12:12:54
● 2026-10-05 19:27:34
○ 2026-10-07 16:28:46
● 2026-10-08 01:24:26
○ 2026-10-08 14:36:12
● 2026-10-09 13:32:16
○ 2026-10-09 22:04:48
● 2026-10-10 12:41:44
● 2026-10-10 12:41:50
●A3.171.61.532026-09-15 → 2026-10-10 · 27 obs
○ 2026-09-15 16:47:28
● 2026-09-15 18:44:58
○ 2026-09-18 13:38:38
● 2026-09-21 12:55:30
○ 2026-09-21 15:27:06
● 2026-09-22 09:14:18
○ 2026-09-22 21:41:14
● 2026-09-23 06:56:22
○ 2026-09-25 03:36:30
● 2026-09-25 18:59:30
○ 2026-09-29 20:24:52
● 2026-09-30 01:06:34
○ 2026-09-30 23:08:06
● 2026-10-01 01:09:08
○ 2026-10-01 15:52:50
● 2026-10-04 01:21:56
○ 2026-10-04 05:38:28
● 2026-10-05 07:28:22
○ 2026-10-05 12:12:54
● 2026-10-05 19:27:34
○ 2026-10-07 16:28:46
● 2026-10-08 01:24:26
○ 2026-10-08 14:36:12
● 2026-10-09 13:32:16
○ 2026-10-09 22:04:48
● 2026-10-10 12:41:44
● 2026-10-10 12:41:50
●A3.171.61.72026-09-15 → 2026-10-10 · 27 obs
○ 2026-09-15 16:47:28
● 2026-09-15 18:44:58
○ 2026-09-18 13:38:38
● 2026-09-21 12:55:30
○ 2026-09-21 15:27:06
● 2026-09-22 09:14:18
○ 2026-09-22 21:41:14
● 2026-09-23 06:56:22
○ 2026-09-25 03:36:30
● 2026-09-25 18:59:30
○ 2026-09-29 20:24:52
● 2026-09-30 01:06:34
○ 2026-09-30 23:08:06
● 2026-10-01 01:09:08
○ 2026-10-01 15:52:50
● 2026-10-04 01:21:56
○ 2026-10-04 05:38:28
● 2026-10-05 07:28:22
○ 2026-10-05 12:12:54
● 2026-10-05 19:27:34
○ 2026-10-07 16:28:46
● 2026-10-08 01:24:26
○ 2026-10-08 14:36:12
● 2026-10-09 13:32:16
○ 2026-10-09 22:04:48
● 2026-10-10 12:41:44
● 2026-10-10 12:41:50
●A3.171.61.782026-09-15 → 2026-10-10 · 27 obs
○ 2026-09-15 16:47:28
● 2026-09-15 18:44:58
○ 2026-09-18 13:38:38
● 2026-09-21 12:55:30
○ 2026-09-21 15:27:06
● 2026-09-22 09:14:18
○ 2026-09-22 21:41:14
● 2026-09-23 06:56:22
○ 2026-09-25 03:36:30
● 2026-09-25 18:59:30
○ 2026-09-29 20:24:52
● 2026-09-30 01:06:34
○ 2026-09-30 23:08:06
● 2026-10-01 01:09:08
○ 2026-10-01 15:52:50
● 2026-10-04 01:21:56
○ 2026-10-04 05:38:28
● 2026-10-05 07:28:22
○ 2026-10-05 12:12:54
● 2026-10-05 19:27:34
○ 2026-10-07 16:28:46
● 2026-10-08 01:24:26
○ 2026-10-08 14:36:12
● 2026-10-09 13:32:16
○ 2026-10-09 22:04:48
● 2026-10-10 12:41:44
● 2026-10-10 12:41:50
○A72.52.10.142017-04-03 → 2017-04-03 · 4 obs
○ 2016-04-11 01:49:08
● 2017-04-03 13:55:50
○ 2026-09-15 16:47:28
○ 2026-10-10 12:41:50
○A99.84.41.1102026-09-21 → 2026-10-03 · 12 obs
○ 2026-09-20 05:36:46
● 2026-09-21 01:30:22
○ 2026-09-21 12:55:30
● 2026-09-22 21:41:14
○ 2026-09-23 06:56:22
● 2026-09-25 03:36:30
○ 2026-09-25 18:59:30
● 2026-10-02 13:34:48
○ 2026-10-03 00:59:06
● 2026-10-03 02:24:18
○ 2026-10-03 17:58:58
○ 2026-10-10 12:41:50
○A99.84.41.1212026-09-21 → 2026-10-03 · 12 obs
○ 2026-09-20 05:36:46
● 2026-09-21 01:30:22
○ 2026-09-21 12:55:30
● 2026-09-22 21:41:14
○ 2026-09-23 06:56:22
● 2026-09-25 03:36:30
○ 2026-09-25 18:59:30
● 2026-10-02 13:34:48
○ 2026-10-03 00:59:06
● 2026-10-03 02:24:18
○ 2026-10-03 17:58:58
○ 2026-10-10 12:41:50
○A99.84.41.622026-09-21 → 2026-10-03 · 12 obs
○ 2026-09-20 05:36:46
● 2026-09-21 01:30:22
○ 2026-09-21 12:55:30
● 2026-09-22 21:41:14
○ 2026-09-23 06:56:22
● 2026-09-25 03:36:30
○ 2026-09-25 18:59:30
● 2026-10-02 13:34:48
○ 2026-10-03 00:59:06
● 2026-10-03 02:24:18
○ 2026-10-03 17:58:58
○ 2026-10-10 12:41:50
○A99.84.41.842026-09-21 → 2026-10-03 · 12 obs
○ 2026-09-20 05:36:46
● 2026-09-21 01:30:22
○ 2026-09-21 12:55:30
● 2026-09-22 21:41:14
○ 2026-09-23 06:56:22
● 2026-09-25 03:36:30
○ 2026-09-25 18:59:30
● 2026-10-02 13:34:48
○ 2026-10-03 00:59:06
● 2026-10-03 02:24:18
○ 2026-10-03 17:58:58
○ 2026-10-10 12:41:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
sfjava.orgns-810.awsdns-37.net, ns-172.awsdns-21.com, ns-1781.awsdns-30.co.uk, ns-1354.awsdns-41.org2 records

✅ Authoritative Response

Server:205.251.197.74

NS records: ns-810.awsdns-37.net, ns-172.awsdns-21.com, ns-1781.awsdns-30.co.uk, ns-1354.awsdns-41.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sfjava.org (unsigned zone)

⏱️ Timing

Total: 1051ms | Queries: -

📄 Records

TypeCountSample Data
A43.171.61.25, 3.171.61.7...
NS4ns-1354.awsdns-41.org, ns-172.awsdns-21.com...
MX2one.mxroute.com (pri: 10), one-relay.mxroute.com (pri: 20)
TXT1v=spf1 include:mxroute.com -all
SOA1ns-1354.awsdns-41.org awsdns-hostmaster.

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-1354.awsdns-41.org, ns-1354.awsdns-41.org)

Analysis

Hierarchy

sfjava.org serves as the parent of www.sfjava.org.

IP Addresses

sfjava.org resolves to four IP addresses: 3.171.61.7, 3.171.61.25, 3.171.61.53 and 3.171.61.78.

Additional host names — d2gh1kf4xh2m0w.amplifyapp.com, d4gw7kd8vttg4.amplifyapp.com, toefanyorgage.org and two others — share IP numbers with sfjava.org.

Name Servers

sfjava.org has four authoritative name servers: ns-172.awsdns-21.com, ns-810.awsdns-37.net, ns-1354.awsdns-41.org and ns-1781.awsdns-30.co.uk.

sfjava.org has at least partial name server overlap with other domains, such as reifefrauen.tv, voron.fyi, dougfultz.com and two others.

ns-238.awsdns-29.com, ns-924.awsdns-51.net and ns1.crossbar.org — plus 4 other name servers — are commonly paired with these name servers.

ns-172.awsdns-21.com, ns-810.awsdns-37.net, ns-1354.awsdns-41.org and ns-1781.awsdns-30.co.uk all point to exactly two IP numbers each: ns-172.awsdns-21.com → 205.251.192.172 and 2600:9000:5300:ac00::1; ns-810.awsdns-37.net → 205.251.195.42 and 2600:9000:5303:2a00::1; ns-1354.awsdns-41.org → 205.251.197.74 and 2600:9000:5305:4a00::1; ns-1781.awsdns-30.co.uk → 205.251.198.245 and 2600:9000:5306:f500::1.

Mail Servers

sfjava.org has two mail servers: one-relay.mxroute.com and one.mxroute.com.

sfjava.org shares the same mail server setup as other domains, including kde-it.org, cashforcarswhangarei.nz, unverpackt-badkreuznach.de and two others.

At least some of sfjava.org's mail servers are shared with other domains, among them dotnetbootcamp.com, biscuit.pt, asateel.net and stevemoxon.co.uk.

one-relay.mxroute.com and one.mxroute.com each point to one IP address — 159.69.143.143.

The host names one-relay.mxroute.com and one.mxroute.com both resolve to 159.69.143.143 IP addresses.