labofdata.com - robtex.com

labofdata.com

DNSSEC⚠️ Not signed
A18.67.76.33🇺🇸 Amazon18.67.76.0/22
PTRserver-18-67-76-33.iad89.r.cloudfront.net
A18.67.76.42🇺🇸 Amazon18.67.76.0/22
A18.67.76.59🇺🇸 Amazon18.67.76.0/22
A18.67.76.109🇺🇸 Amazon18.67.76.0/22
NSns-352.awsdns-44.com ⭐
A2600:9000:5301:6000::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-352.awsdns-44.com
A205.251.193.96🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-352.awsdns-44.com
NSns-1219.awsdns-24.org
A2600:9000:5304:c300::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1219.awsdns-24.org
A205.251.196.195🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1219.awsdns-24.org
NSns-1655.awsdns-14.co.uk
A2600:9000:5306:7700::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1655.awsdns-14.co.uk
A205.251.198.119🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1655.awsdns-14.co.uk
NSns-639.awsdns-15.net
A2600:9000:5302:7f00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-639.awsdns-15.net
A205.251.194.127🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-639.awsdns-15.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c19::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbk-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4003:c30::1b🇺🇸 Google2607:f8b0:4003::/48
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google74.125.27.0/24
PTRyutulis-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4001:c70::1a🇺🇸 Google2607:f8b0:4001::/48
PTRyucbful-in-f26.1e100.net
A192.178.209.26🇺🇸 Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4024:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRmj-in-f27.1e100.net
A192.178.152.26🇺🇸 Google192.178.152.0/24
PTRmj-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4023:403::1a🇺🇸 Google2607:f8b0::/32
PTRgg-in-f26.1e100.net
A142.250.96.27🇺🇸 Google142.250.96.0/24
PTRgg-in-f27.1e100.net
TXTgoogle-site-verification=YRqKEbmSgKM-HwHIvx4qT6SATJTBpF63UMsns3t84I0
TXTv=spf1 include:dc-aa8e722993._spfm.labofdata.com ~all
SOAns-352.awsdns-44.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=1771291435

Previously MX for

labofdata.com

Subdomains

www.labofdata.com

Same first word

labofdata.com

DNS History

26 records (13 active, 13 former)

201820192020202120222023202420252026NSns-1219.awsdns-24.orgns-1655.awsdns-14.co.ukns-352.awsdns-44.comns-639.awsdns-15.netns6.az.plns7.az.plns8.az.plMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comlabofdata.comA18.67.76.10918.67.76.3318.67.76.4218.67.76.5918.244.140.12418.244.140.218.244.140.2618.244.140.3046.242.168.4952.84.20.3352.84.20.7052.84.20.8152.84.20.92
●NSns-1219.awsdns-24.org2026-02-17 → 2026-03-07 · 3 obs
○ 2017-08-09 22:43:10
● 2026-02-17 14:42:24
● 2026-03-07 11:41:44
●NSns-1655.awsdns-14.co.uk2026-02-17 → 2026-03-07 · 3 obs
○ 2017-08-09 22:43:10
● 2026-02-17 14:42:24
● 2026-03-07 11:41:44
●NSns-352.awsdns-44.com2026-02-17 → 2026-03-07 · 3 obs
○ 2017-08-09 22:43:10
● 2026-02-17 14:42:24
● 2026-03-07 11:41:44
●NSns-639.awsdns-15.net2026-02-17 → 2026-03-07 · 3 obs
○ 2017-08-09 22:43:10
● 2026-02-17 14:42:24
● 2026-03-07 11:41:44
○NSns6.az.pl2017-08-09 → 2017-08-09 · 3 obs
● 2017-08-09 22:43:10
○ 2026-02-17 14:42:24
○ 2026-03-07 11:41:44
○NSns7.az.pl2017-08-09 → 2017-08-09 · 3 obs
● 2017-08-09 22:43:10
○ 2026-02-17 14:42:24
○ 2026-03-07 11:41:44
○NSns8.az.pl2017-08-09 → 2017-08-09 · 3 obs
● 2017-08-09 22:43:10
○ 2026-02-17 14:42:24
○ 2026-03-07 11:41:44
●MXalt1.aspmx.l.google.com2026-02-17 → 2026-03-07 · 3 obs
○ 2017-08-09 22:43:10
● 2026-02-17 14:42:24
● 2026-03-07 11:41:44
●MXalt2.aspmx.l.google.com2026-02-17 → 2026-03-07 · 3 obs
○ 2017-08-09 22:43:10
● 2026-02-17 14:42:24
● 2026-03-07 11:41:44
●MXalt3.aspmx.l.google.com2026-02-17 → 2026-03-07 · 3 obs
○ 2017-08-09 22:43:10
● 2026-02-17 14:42:24
● 2026-03-07 11:41:44
●MXalt4.aspmx.l.google.com2026-02-17 → 2026-03-07 · 3 obs
○ 2017-08-09 22:43:10
● 2026-02-17 14:42:24
● 2026-03-07 11:41:44
●MXaspmx.l.google.com2026-02-17 → 2026-03-07 · 3 obs
○ 2017-08-09 22:43:10
● 2026-02-17 14:42:24
● 2026-03-07 11:41:44
○MXlabofdata.com2017-08-09 → 2017-08-09 · 3 obs
● 2017-08-09 22:43:10
○ 2026-02-17 14:42:24
○ 2026-03-07 11:41:44
○A18.244.140.1242026-02-19 → 2026-03-06 · 28 obs
○ 2026-02-18 17:57:48
● 2026-02-19 21:49:34
● 2026-02-20 00:47:08
○ 2026-02-20 07:30:20
○ 2026-02-21 15:58:12
● 2026-02-22 05:25:48
○ 2026-02-23 17:11:42
○ 2026-02-23 22:56:42
● 2026-02-24 03:27:44
○ 2026-02-24 13:25:58
○ 2026-02-26 11:32:46
● 2026-02-27 14:34:38
● 2026-02-28 14:34:34
○ 2026-02-28 17:30:38
● 2026-03-01 23:35:14
● 2026-03-02 19:26:26
○ 2026-03-02 21:33:46
○ 2026-03-03 09:44:20
● 2026-03-03 14:52:44
○ 2026-03-04 03:12:00
○ 2026-03-04 18:48:18
● 2026-03-04 20:04:46
● 2026-03-05 06:38:30
○ 2026-03-05 11:15:38
○ 2026-03-06 17:40:16
● 2026-03-06 18:34:54
○ 2026-03-07 10:11:32
○ 2026-03-07 11:41:44
○A18.244.140.22026-02-19 → 2026-03-06 · 28 obs
○ 2026-02-18 17:57:48
● 2026-02-19 21:49:34
● 2026-02-20 00:47:08
○ 2026-02-20 07:30:20
○ 2026-02-21 15:58:12
● 2026-02-22 05:25:48
○ 2026-02-23 17:11:42
○ 2026-02-23 22:56:42
● 2026-02-24 03:27:44
○ 2026-02-24 13:25:58
○ 2026-02-26 11:32:46
● 2026-02-27 14:34:38
● 2026-02-28 14:34:34
○ 2026-02-28 17:30:38
● 2026-03-01 23:35:14
● 2026-03-02 19:26:26
○ 2026-03-02 21:33:46
○ 2026-03-03 09:44:20
● 2026-03-03 14:52:44
○ 2026-03-04 03:12:00
○ 2026-03-04 18:48:18
● 2026-03-04 20:04:46
● 2026-03-05 06:38:30
○ 2026-03-05 11:15:38
○ 2026-03-06 17:40:16
● 2026-03-06 18:34:54
○ 2026-03-07 10:11:32
○ 2026-03-07 11:41:44
○A18.244.140.262026-02-19 → 2026-03-06 · 28 obs
○ 2026-02-18 17:57:48
● 2026-02-19 21:49:34
● 2026-02-20 00:47:08
○ 2026-02-20 07:30:20
○ 2026-02-21 15:58:12
● 2026-02-22 05:25:48
○ 2026-02-23 17:11:42
○ 2026-02-23 22:56:42
● 2026-02-24 03:27:44
○ 2026-02-24 13:25:58
○ 2026-02-26 11:32:46
● 2026-02-27 14:34:38
● 2026-02-28 14:34:34
○ 2026-02-28 17:30:38
● 2026-03-01 23:35:14
● 2026-03-02 19:26:26
○ 2026-03-02 21:33:46
○ 2026-03-03 09:44:20
● 2026-03-03 14:52:44
○ 2026-03-04 03:12:00
○ 2026-03-04 18:48:18
● 2026-03-04 20:04:46
● 2026-03-05 06:38:30
○ 2026-03-05 11:15:38
○ 2026-03-06 17:40:16
● 2026-03-06 18:34:54
○ 2026-03-07 10:11:32
○ 2026-03-07 11:41:44
○A18.244.140.302026-02-19 → 2026-03-06 · 28 obs
○ 2026-02-18 17:57:48
● 2026-02-19 21:49:34
● 2026-02-20 00:47:08
○ 2026-02-20 07:30:20
○ 2026-02-21 15:58:12
● 2026-02-22 05:25:48
○ 2026-02-23 17:11:42
○ 2026-02-23 22:56:42
● 2026-02-24 03:27:44
○ 2026-02-24 13:25:58
○ 2026-02-26 11:32:46
● 2026-02-27 14:34:38
● 2026-02-28 14:34:34
○ 2026-02-28 17:30:38
● 2026-03-01 23:35:14
● 2026-03-02 19:26:26
○ 2026-03-02 21:33:46
○ 2026-03-03 09:44:20
● 2026-03-03 14:52:44
○ 2026-03-04 03:12:00
○ 2026-03-04 18:48:18
● 2026-03-04 20:04:46
● 2026-03-05 06:38:30
○ 2026-03-05 11:15:38
○ 2026-03-06 17:40:16
● 2026-03-06 18:34:54
○ 2026-03-07 10:11:32
○ 2026-03-07 11:41:44
●A18.67.76.1092026-02-21 → 2026-03-07 · 22 obs
○ 2026-02-17 14:42:24
○ 2026-02-20 07:30:20
● 2026-02-21 14:04:44
● 2026-02-21 15:58:12
○ 2026-02-22 05:25:48
○ 2026-02-23 17:11:42
● 2026-02-23 22:56:42
○ 2026-02-24 03:27:44
○ 2026-02-25 02:04:30
● 2026-02-25 17:12:02
○ 2026-02-26 11:32:46
○ 2026-03-03 14:52:44
● 2026-03-04 03:12:00
● 2026-03-04 09:51:02
○ 2026-03-04 18:48:18
○ 2026-03-05 06:38:30
● 2026-03-05 11:15:38
● 2026-03-06 14:03:28
○ 2026-03-06 17:40:16
○ 2026-03-06 18:34:54
● 2026-03-07 10:11:32
● 2026-03-07 11:41:44
●A18.67.76.332026-02-21 → 2026-03-07 · 22 obs
○ 2026-02-17 14:42:24
○ 2026-02-20 07:30:20
● 2026-02-21 14:04:44
● 2026-02-21 15:58:12
○ 2026-02-22 05:25:48
○ 2026-02-23 17:11:42
● 2026-02-23 22:56:42
○ 2026-02-24 03:27:44
○ 2026-02-25 02:04:30
● 2026-02-25 17:12:02
○ 2026-02-26 11:32:46
○ 2026-03-03 14:52:44
● 2026-03-04 03:12:00
● 2026-03-04 09:51:02
○ 2026-03-04 18:48:18
○ 2026-03-05 06:38:30
● 2026-03-05 11:15:38
● 2026-03-06 14:03:28
○ 2026-03-06 17:40:16
○ 2026-03-06 18:34:54
● 2026-03-07 10:11:32
● 2026-03-07 11:41:44
●A18.67.76.422026-02-21 → 2026-03-07 · 22 obs
○ 2026-02-17 14:42:24
○ 2026-02-20 07:30:20
● 2026-02-21 14:04:44
● 2026-02-21 15:58:12
○ 2026-02-22 05:25:48
○ 2026-02-23 17:11:42
● 2026-02-23 22:56:42
○ 2026-02-24 03:27:44
○ 2026-02-25 02:04:30
● 2026-02-25 17:12:02
○ 2026-02-26 11:32:46
○ 2026-03-03 14:52:44
● 2026-03-04 03:12:00
● 2026-03-04 09:51:02
○ 2026-03-04 18:48:18
○ 2026-03-05 06:38:30
● 2026-03-05 11:15:38
● 2026-03-06 14:03:28
○ 2026-03-06 17:40:16
○ 2026-03-06 18:34:54
● 2026-03-07 10:11:32
● 2026-03-07 11:41:44
●A18.67.76.592026-02-21 → 2026-03-07 · 22 obs
○ 2026-02-17 14:42:24
○ 2026-02-20 07:30:20
● 2026-02-21 14:04:44
● 2026-02-21 15:58:12
○ 2026-02-22 05:25:48
○ 2026-02-23 17:11:42
● 2026-02-23 22:56:42
○ 2026-02-24 03:27:44
○ 2026-02-25 02:04:30
● 2026-02-25 17:12:02
○ 2026-02-26 11:32:46
○ 2026-03-03 14:52:44
● 2026-03-04 03:12:00
● 2026-03-04 09:51:02
○ 2026-03-04 18:48:18
○ 2026-03-05 06:38:30
● 2026-03-05 11:15:38
● 2026-03-06 14:03:28
○ 2026-03-06 17:40:16
○ 2026-03-06 18:34:54
● 2026-03-07 10:11:32
● 2026-03-07 11:41:44
○A46.242.168.492017-08-09 → 2017-08-09 · 3 obs
● 2017-08-09 22:43:10
○ 2026-02-17 14:42:24
○ 2026-03-07 11:41:44
○A52.84.20.332026-02-17 → 2026-03-06 · 30 obs
○ 2017-08-09 22:43:10
● 2026-02-17 14:42:24
● 2026-02-18 17:57:48
○ 2026-02-19 21:49:34
○ 2026-02-20 00:47:08
● 2026-02-20 07:30:20
○ 2026-02-21 14:04:44
○ 2026-02-22 05:25:48
● 2026-02-23 17:11:42
○ 2026-02-23 22:56:42
○ 2026-02-24 03:27:44
● 2026-02-24 13:25:58
● 2026-02-25 02:04:30
○ 2026-02-25 17:12:02
● 2026-02-26 11:32:46
○ 2026-02-27 14:34:38
○ 2026-02-28 14:34:34
● 2026-02-28 17:30:38
○ 2026-03-01 23:35:14
○ 2026-03-02 19:26:26
● 2026-03-02 21:33:46
● 2026-03-03 09:44:20
○ 2026-03-03 14:52:44
○ 2026-03-04 09:51:02
● 2026-03-04 18:48:18
○ 2026-03-04 20:04:46
○ 2026-03-06 14:03:28
● 2026-03-06 17:40:16
○ 2026-03-06 18:34:54
○ 2026-03-07 11:41:44
○A52.84.20.702026-02-17 → 2026-03-06 · 30 obs
○ 2017-08-09 22:43:10
● 2026-02-17 14:42:24
● 2026-02-18 17:57:48
○ 2026-02-19 21:49:34
○ 2026-02-20 00:47:08
● 2026-02-20 07:30:20
○ 2026-02-21 14:04:44
○ 2026-02-22 05:25:48
● 2026-02-23 17:11:42
○ 2026-02-23 22:56:42
○ 2026-02-24 03:27:44
● 2026-02-24 13:25:58
● 2026-02-25 02:04:30
○ 2026-02-25 17:12:02
● 2026-02-26 11:32:46
○ 2026-02-27 14:34:38
○ 2026-02-28 14:34:34
● 2026-02-28 17:30:38
○ 2026-03-01 23:35:14
○ 2026-03-02 19:26:26
● 2026-03-02 21:33:46
● 2026-03-03 09:44:20
○ 2026-03-03 14:52:44
○ 2026-03-04 09:51:02
● 2026-03-04 18:48:18
○ 2026-03-04 20:04:46
○ 2026-03-06 14:03:28
● 2026-03-06 17:40:16
○ 2026-03-06 18:34:54
○ 2026-03-07 11:41:44
○A52.84.20.812026-02-17 → 2026-03-06 · 30 obs
○ 2017-08-09 22:43:10
● 2026-02-17 14:42:24
● 2026-02-18 17:57:48
○ 2026-02-19 21:49:34
○ 2026-02-20 00:47:08
● 2026-02-20 07:30:20
○ 2026-02-21 14:04:44
○ 2026-02-22 05:25:48
● 2026-02-23 17:11:42
○ 2026-02-23 22:56:42
○ 2026-02-24 03:27:44
● 2026-02-24 13:25:58
● 2026-02-25 02:04:30
○ 2026-02-25 17:12:02
● 2026-02-26 11:32:46
○ 2026-02-27 14:34:38
○ 2026-02-28 14:34:34
● 2026-02-28 17:30:38
○ 2026-03-01 23:35:14
○ 2026-03-02 19:26:26
● 2026-03-02 21:33:46
● 2026-03-03 09:44:20
○ 2026-03-03 14:52:44
○ 2026-03-04 09:51:02
● 2026-03-04 18:48:18
○ 2026-03-04 20:04:46
○ 2026-03-06 14:03:28
● 2026-03-06 17:40:16
○ 2026-03-06 18:34:54
○ 2026-03-07 11:41:44
○A52.84.20.922026-02-17 → 2026-03-06 · 30 obs
○ 2017-08-09 22:43:10
● 2026-02-17 14:42:24
● 2026-02-18 17:57:48
○ 2026-02-19 21:49:34
○ 2026-02-20 00:47:08
● 2026-02-20 07:30:20
○ 2026-02-21 14:04:44
○ 2026-02-22 05:25:48
● 2026-02-23 17:11:42
○ 2026-02-23 22:56:42
○ 2026-02-24 03:27:44
● 2026-02-24 13:25:58
● 2026-02-25 02:04:30
○ 2026-02-25 17:12:02
● 2026-02-26 11:32:46
○ 2026-02-27 14:34:38
○ 2026-02-28 14:34:34
● 2026-02-28 17:30:38
○ 2026-03-01 23:35:14
○ 2026-03-02 19:26:26
● 2026-03-02 21:33:46
● 2026-03-03 09:44:20
○ 2026-03-03 14:52:44
○ 2026-03-04 09:51:02
● 2026-03-04 18:48:18
○ 2026-03-04 20:04:46
○ 2026-03-06 14:03:28
● 2026-03-06 17:40:16
○ 2026-03-06 18:34:54
○ 2026-03-07 11:41:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...-
labofdata.comns-639.awsdns-15.net, ns-352.awsdns-44.com, ns-1655.awsdns-14.co.uk, ns-1219.awsdns-24.org1 record

✅ Authoritative Response

Server: 205.251.194.127

NS records: ns-639.awsdns-15.net, ns-352.awsdns-44.com, ns-1655.awsdns-14.co.uk, ns-1219.awsdns-24.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for labofdata.com (unsigned zone)

⏱️ Timing

Total: 532ms | Queries: -

📄 Records

TypeCountSample Data
A418.67.76.33, 18.67.76.42...
NS4ns-1219.awsdns-24.org, ns-1655.awsdns-14.co.uk...
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=YRqKEbmSgKM-HwH, v=spf1 include:dc-aa8e722993._spfm.labof
SOA1ns-352.awsdns-44.com awsdns-hostmaster.a

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-352.awsdns-44.com)

Analysis

Hierarchy

www.labofdata.com has labofdata.com as its parent.

IP Addresses

labofdata.com maps to four IP numbers: 18.67.76.33, 18.67.76.42, 18.67.76.59 and 18.67.76.109.

Other host names, for instance www.vivo89.com, www.oppo68.com, petessalesandservice.ca, ludophone.com and www.timeon.jp share IP numbers with labofdata.com.

Name Servers

labofdata.com is delegated to four name servers: ns-352.awsdns-44.com, ns-639.awsdns-15.net, ns-1219.awsdns-24.org and ns-1655.awsdns-14.co.uk.

labofdata.com at least partially shares name servers with other domains such as martexsa.com, imagehunter.app, connect.standardbank.co.za, dbitalia.it and fundpnb.com.

Host names with two IP numbers:

ns-352.awsdns-44.com points to 2600:9000:5301:6000::1 and 205.251.193.96

ns-639.awsdns-15.net points to 2600:9000:5302:7f00::1 and 205.251.194.127

ns-1219.awsdns-24.org points to 2600:9000:5304:c300::1 and 205.251.196.195

ns-1655.awsdns-14.co.uk points to 2600:9000:5306:7700::1 and 205.251.198.119

Mail Servers

labofdata.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

labofdata.com shares mail servers with other domains at least in part, for instance ns500765.ns500734.ns500699.ns500693.ns500734.ns500693.ns500612.ns500632.ns500588.ns500632.ns500632.ns500632.ns500612.dtrkdll.com, sonicgarden.jp, ns500742.ns500754.ns500742.ns500754.ns500731.ns500704.ns500704.ns500705.ns500671.ns500678.ns500153.tenderladiesbz.com, ns500734.ns500693.ns500734.ns500734.ns500734.ns500693.ns500693.ns500734.ns500693.ns500588.ns500588.ns500699.ns500699.ns500699.ns500110.dtrkdll.com and ns500765.ns500734.ns500699.ns500734.ns500693.ns500693.ns500588.ns500693.ns500683.ns500632.ns500632.ns500612.ns500578.ns500110.dtrkdll.com.

these mail servers are often used together with aspmx3.googlemail.com, aspmx2.googlemail.com and aspmx4.googlemail.com.

Two IPs per host name:

aspmx.l.google.com points to: 2607:f8b0:4004:c19::1b and 172.253.62.27

alt1.aspmx.l.google.com points to: 2607:f8b0:4003:c30::1b and 74.125.27.26

alt2.aspmx.l.google.com points to: 2607:f8b0:4001:c70::1a and 192.178.209.26

alt3.aspmx.l.google.com points to: 2607:f8b0:4024:c0d::1b and 192.178.152.26

alt4.aspmx.l.google.com points to: 2607:f8b0:4023:403::1a and 142.250.96.27

Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)