theblockbrain.io - robtex.com

theblockbrain.io

DNSSEC⚠️ Not signed
A2600:9000:21f5:5000:16:67c0:bcc0:93a1πŸ‡ΊπŸ‡Έ Amazon2600:9000:21f5::/48 - CloudFront
A2600:9000:21f5:5800:16:67c0:bcc0:93a1πŸ‡ΊπŸ‡Έ Amazon2600:9000:21f5::/48 - CloudFront
A2600:9000:21f5:6c00:16:67c0:bcc0:93a1πŸ‡ΊπŸ‡Έ Amazon2600:9000:21f5::/48 - CloudFront
A2600:9000:21f5:ba00:16:67c0:bcc0:93a1πŸ‡ΊπŸ‡Έ Amazon2600:9000:21f5::/48 - CloudFront
A2600:9000:21f5:be00:16:67c0:bcc0:93a1πŸ‡ΊπŸ‡Έ Amazon2600:9000:21f5::/48 - CloudFront
A2600:9000:21f5:c400:16:67c0:bcc0:93a1πŸ‡ΊπŸ‡Έ Amazon2600:9000:21f5::/48 - CloudFront
A2600:9000:21f5:dc00:16:67c0:bcc0:93a1πŸ‡ΊπŸ‡Έ Amazon2600:9000:21f5::/48 - CloudFront
A2600:9000:21f5:e800:16:67c0:bcc0:93a1πŸ‡ΊπŸ‡Έ Amazon2600:9000:21f5::/48 - CloudFront
A13.227.207.38πŸ‡ΊπŸ‡Έ Amazon13.227.200.0/21 - Cloudfront
A13.227.207.51πŸ‡ΊπŸ‡Έ Amazon13.227.200.0/21 - Cloudfront
A13.227.207.60πŸ‡ΊπŸ‡Έ Amazon13.227.200.0/21 - Cloudfront
A13.227.207.62πŸ‡ΊπŸ‡Έ Amazon13.227.200.0/21 - Cloudfront
NSns-1756.awsdns-27.co.uk ⭐
A2600:9000:5306:dc00::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5306::/48 - CloudFront
PTRns-1756.awsdns-27.co.uk
A205.251.198.220πŸ‡ΊπŸ‡Έ Amazon205.251.198.0/24 prefix
PTRns-1756.awsdns-27.co.uk
NSns-1173.awsdns-18.org
A2600:9000:5304:9500::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5304::/48 - CloudFront
PTRns-1173.awsdns-18.org
A205.251.196.149πŸ‡ΊπŸ‡Έ Amazon205.251.196.0/24 prefix
PTRns-1173.awsdns-18.org
NSns-220.awsdns-27.com
A2600:9000:5300:dc00::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5300::/48 - CloudFront
PTRns-220.awsdns-27.com
A205.251.192.220πŸ‡ΊπŸ‡Έ Amazon205.251.192.0/24 prefix
PTRns-220.awsdns-27.com
NSns-918.awsdns-50.net
A2600:9000:5303:9600::1πŸ‡ΊπŸ‡Έ Amazon2600:9000:5303::/48 - CloudFront
PTRns-918.awsdns-50.net
A205.251.195.150πŸ‡ΊπŸ‡Έ Amazon205.251.195.0/24 prefix
PTRns-918.awsdns-50.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c0b::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRdd-in-f26.1e100.net
A142.250.101.26πŸ‡ΊπŸ‡Έ Google142.250.101.0/24
PTRdz-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27πŸ‡ΊπŸ‡Έ Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.26πŸ‡ΊπŸ‡Έ Google172.253.135.0/24
PTRyudfwta-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4023:3003::1bπŸ‡ΊπŸ‡Έ Google2607:f8b0::/32
PTRyulnkjt-in-f27.1e100.net
A172.253.145.26πŸ‡ΊπŸ‡Έ Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4003:c4a::1aπŸ‡ΊπŸ‡Έ Google2607:f8b0:4003::/48
PTRyutulth-in-f26.1e100.net
A142.251.96.26πŸ‡ΊπŸ‡Έ Google142.250.0.0/15
PTRyutulth-in-f26.1e100.net
TXT81c18755-8a29-4e95-8394-7092eaf59101=3becd2c11e3d148dbd35e6117c0a6f0614e90d33...
TXTMS=ms46721023
TXTatlassian-domain-verification=an4JLRFI28yX4bhf91thJkT3FCMsT9tX9Mh3WBKwGYcUDrG...
TXTgoogle-site-verification=dzxQ9OdirF7lxcatLWa7Pvxs4dztDSHILdd68pm5Vfc
TXTgoogle-site-verification=kj_rc2o_76XnProRWRUn5EuSSAm-mAeZ1fuGDNIop6U
TXTmandrill_verify.4DC3h7QPRB94IT99hU4onw
TXTstripe-verification=B28C83E51157BD75A8F6C8F82A02DF6E30E27EBD29E5E7DB160A0E557...
TXTv=spf1 include:spf.mailjet.com include:_spf.google.com include:_spf.mlsend.co...
SOAns-1756.awsdns-27.co.ukawsdns-hostmaster@amazon.com serial=1

io

DNSSECπŸ”’ Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1774889640

Same first word

Similar names

DNS History

45 records (21 active, 24 former)

NSns-1173.awsdns-18.orgns-1756.awsdns-27.co.ukns-220.awsdns-27.comns-918.awsdns-50.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA13.227.207.3813.227.207.5113.227.207.6013.227.207.622600:9000:21f5:5000:16:67c0:bcc0:93a12600:9000:21f5:5800:16:67c0:bcc0:93a12600:9000:21f5:6c00:16:67c0:bcc0:93a12600:9000:21f5:ba00:16:67c0:bcc0:93a12600:9000:21f5:be00:16:67c0:bcc0:93a12600:9000:21f5:c400:16:67c0:bcc0:93a12600:9000:21f5:dc00:16:67c0:bcc0:93a12600:9000:21f5:e800:16:67c0:bcc0:93a12600:9000:2093:1a00:16:67c0:bcc0:93a12600:9000:2093:2c00:16:67c0:bcc0:93a12600:9000:2093:5600:16:67c0:bcc0:93a12600:9000:2093:5c00:16:67c0:bcc0:93a12600:9000:2093:a00:16:67c0:bcc0:93a12600:9000:2093:aa00:16:67c0:bcc0:93a12600:9000:2093:dc00:16:67c0:bcc0:93a12600:9000:2093:f600:16:67c0:bcc0:93a12600:9000:28b2:1800:16:67c0:bcc0:93a12600:9000:28b2:2200:16:67c0:bcc0:93a12600:9000:28b2:2400:16:67c0:bcc0:93a12600:9000:28b2:6000:16:67c0:bcc0:93a12600:9000:28b2:7c00:16:67c0:bcc0:93a12600:9000:28b2:ae00:16:67c0:bcc0:93a12600:9000:28b2:b600:16:67c0:bcc0:93a12600:9000:28b2:e000:16:67c0:bcc0:93a13.171.139.23.171.139.323.171.139.553.171.139.9152.222.177.11252.222.177.452.222.177.9152.222.177.97
●NSns-1173.awsdns-18.org2026-03-29 β†’ 2026-03-30 Β· 2 obs
● 2026-03-29 15:09:58
● 2026-03-30 17:04:46
●NSns-1756.awsdns-27.co.uk2026-03-29 β†’ 2026-03-30 Β· 2 obs
● 2026-03-29 15:09:58
● 2026-03-30 17:04:46
●NSns-220.awsdns-27.com2026-03-29 β†’ 2026-03-30 Β· 2 obs
● 2026-03-29 15:09:58
● 2026-03-30 17:04:46
●NSns-918.awsdns-50.net2026-03-29 β†’ 2026-03-30 Β· 2 obs
● 2026-03-29 15:09:58
● 2026-03-30 17:04:46
●MXalt1.aspmx.l.google.com2026-03-29 β†’ 2026-03-30 Β· 2 obs
● 2026-03-29 15:09:58
● 2026-03-30 17:04:46
●MXalt2.aspmx.l.google.com2026-03-29 β†’ 2026-03-30 Β· 2 obs
● 2026-03-29 15:09:58
● 2026-03-30 17:04:46
●MXalt3.aspmx.l.google.com2026-03-29 β†’ 2026-03-30 Β· 2 obs
● 2026-03-29 15:09:58
● 2026-03-30 17:04:46
●MXalt4.aspmx.l.google.com2026-03-29 β†’ 2026-03-30 Β· 2 obs
● 2026-03-29 15:09:58
● 2026-03-30 17:04:46
●MXaspmx.l.google.com2026-03-29 β†’ 2026-03-30 Β· 2 obs
● 2026-03-29 15:09:58
● 2026-03-30 17:04:46
●A13.227.207.382026-03-30 β†’ 2026-03-30 Β· 3 obs
β—‹ 2026-03-29 19:38:48
● 2026-03-30 17:04:42
● 2026-03-30 17:04:46
●A13.227.207.512026-03-30 β†’ 2026-03-30 Β· 3 obs
β—‹ 2026-03-29 19:38:48
● 2026-03-30 17:04:42
● 2026-03-30 17:04:46
●A13.227.207.602026-03-30 β†’ 2026-03-30 Β· 3 obs
β—‹ 2026-03-29 19:38:48
● 2026-03-30 17:04:42
● 2026-03-30 17:04:46
●A13.227.207.622026-03-30 β†’ 2026-03-30 Β· 3 obs
β—‹ 2026-03-29 19:38:48
● 2026-03-30 17:04:42
● 2026-03-30 17:04:46
β—‹A2600:9000:2093:1a00:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 4 obs
β—‹ 2026-03-29 15:09:58
● 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:42
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:2093:2c00:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 4 obs
β—‹ 2026-03-29 15:09:58
● 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:42
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:2093:5600:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 4 obs
β—‹ 2026-03-29 15:09:58
● 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:42
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:2093:5c00:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 4 obs
β—‹ 2026-03-29 15:09:58
● 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:42
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:2093:a00:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 4 obs
β—‹ 2026-03-29 15:09:58
● 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:42
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:2093:aa00:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 4 obs
β—‹ 2026-03-29 15:09:58
● 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:42
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:2093:dc00:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 4 obs
β—‹ 2026-03-29 15:09:58
● 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:42
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:2093:f600:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 4 obs
β—‹ 2026-03-29 15:09:58
● 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:42
β—‹ 2026-03-30 17:04:46
●A2600:9000:21f5:5000:16:67c0:bcc0:93a12026-03-30 β†’ 2026-03-30 Β· 3 obs
β—‹ 2026-03-29 19:38:48
● 2026-03-30 17:04:42
● 2026-03-30 17:04:46
●A2600:9000:21f5:5800:16:67c0:bcc0:93a12026-03-30 β†’ 2026-03-30 Β· 3 obs
β—‹ 2026-03-29 19:38:48
● 2026-03-30 17:04:42
● 2026-03-30 17:04:46
●A2600:9000:21f5:6c00:16:67c0:bcc0:93a12026-03-30 β†’ 2026-03-30 Β· 3 obs
β—‹ 2026-03-29 19:38:48
● 2026-03-30 17:04:42
● 2026-03-30 17:04:46
●A2600:9000:21f5:ba00:16:67c0:bcc0:93a12026-03-30 β†’ 2026-03-30 Β· 3 obs
β—‹ 2026-03-29 19:38:48
● 2026-03-30 17:04:42
● 2026-03-30 17:04:46
●A2600:9000:21f5:be00:16:67c0:bcc0:93a12026-03-30 β†’ 2026-03-30 Β· 3 obs
β—‹ 2026-03-29 19:38:48
● 2026-03-30 17:04:42
● 2026-03-30 17:04:46
●A2600:9000:21f5:c400:16:67c0:bcc0:93a12026-03-30 β†’ 2026-03-30 Β· 3 obs
β—‹ 2026-03-29 19:38:48
● 2026-03-30 17:04:42
● 2026-03-30 17:04:46
●A2600:9000:21f5:dc00:16:67c0:bcc0:93a12026-03-30 β†’ 2026-03-30 Β· 3 obs
β—‹ 2026-03-29 19:38:48
● 2026-03-30 17:04:42
● 2026-03-30 17:04:46
●A2600:9000:21f5:e800:16:67c0:bcc0:93a12026-03-30 β†’ 2026-03-30 Β· 3 obs
β—‹ 2026-03-29 19:38:48
● 2026-03-30 17:04:42
● 2026-03-30 17:04:46
β—‹A2600:9000:28b2:1800:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 3 obs
● 2026-03-29 15:09:58
β—‹ 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:28b2:2200:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 3 obs
● 2026-03-29 15:09:58
β—‹ 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:28b2:2400:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 3 obs
● 2026-03-29 15:09:58
β—‹ 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:28b2:6000:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 3 obs
● 2026-03-29 15:09:58
β—‹ 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:28b2:7c00:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 3 obs
● 2026-03-29 15:09:58
β—‹ 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:28b2:ae00:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 3 obs
● 2026-03-29 15:09:58
β—‹ 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:28b2:b600:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 3 obs
● 2026-03-29 15:09:58
β—‹ 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:46
β—‹A2600:9000:28b2:e000:16:67c0:bcc0:93a12026-03-29 β†’ 2026-03-29 Β· 3 obs
● 2026-03-29 15:09:58
β—‹ 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:46
β—‹A3.171.139.22026-03-29 β†’ 2026-03-29 Β· 3 obs
● 2026-03-29 15:09:58
β—‹ 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:46
β—‹A3.171.139.322026-03-29 β†’ 2026-03-29 Β· 3 obs
● 2026-03-29 15:09:58
β—‹ 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:46
β—‹A3.171.139.552026-03-29 β†’ 2026-03-29 Β· 3 obs
● 2026-03-29 15:09:58
β—‹ 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:46
β—‹A3.171.139.912026-03-29 β†’ 2026-03-29 Β· 3 obs
● 2026-03-29 15:09:58
β—‹ 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:46
β—‹A52.222.177.1122026-03-29 β†’ 2026-03-29 Β· 4 obs
β—‹ 2026-03-29 15:09:58
● 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:42
β—‹ 2026-03-30 17:04:46
β—‹A52.222.177.42026-03-29 β†’ 2026-03-29 Β· 4 obs
β—‹ 2026-03-29 15:09:58
● 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:42
β—‹ 2026-03-30 17:04:46
β—‹A52.222.177.912026-03-29 β†’ 2026-03-29 Β· 4 obs
β—‹ 2026-03-29 15:09:58
● 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:42
β—‹ 2026-03-30 17:04:46
β—‹A52.222.177.972026-03-29 β†’ 2026-03-29 Β· 4 obs
β—‹ 2026-03-29 15:09:58
● 2026-03-29 19:38:48
β—‹ 2026-03-30 17:04:42
β—‹ 2026-03-30 17:04:46

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
theblockbrain.ions-1173.awsdns-18.org, ns-220.awsdns-27.com, ns-918.awsdns-50.net, ns-1756.awsdns-27.co.uk-

βœ… Authoritative Response

Server:205.251.195.150

NS records: ns-1173.awsdns-18.org, ns-220.awsdns-27.com, ns-918.awsdns-50.net, ns-1756.awsdns-27.co.uk

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for theblockbrain.io (unsigned zone)

⏱️ Timing

Total: 482ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A413.227.207.38, 13.227.207.62...
AAAA82600:9000:21f5:5e00:16:67c0:bcc0:93a1, 2600:9000:21f5:b200:16:67c0:bcc0:93a1...
NS4ns-1173.awsdns-18.org, ns-1756.awsdns-27.co.uk...
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT881c18755-8a29-4e95-8394-7092eaf59101=3be, MS=ms46721023...
SOA1ns-1756.awsdns-27.co.uk awsdns-hostmaste

Analysis

IP Addresses

theblockbrain.io covers twelve IP numbers: 2600:9000:21f5:5000:16:67c0:bcc0:93a1, 2600:9000:21f5:5800:16:67c0:bcc0:93a1, 2600:9000:21f5:6c00:16:67c0:bcc0:93a1, 2600:9000:21f5:ba00:16:67c0:bcc0:93a1, 2600:9000:21f5:be00:16:67c0:bcc0:93a1, 2600:9000:21f5:c400:16:67c0:bcc0:93a1, 2600:9000:21f5:dc00:16:67c0:bcc0:93a1, 2600:9000:21f5:e800:16:67c0:bcc0:93a1, 13.227.207.38, 13.227.207.51, 13.227.207.60 and 13.227.207.62.

Other host names, for instance d4v0jsixhl16g.cloudfront.net, betterme-runningman.com, e-paper.sph.com.sg, data.peachjar.com and pommedia.macauapi.com share IP numbers with theblockbrain.io.

Name Servers

theblockbrain.io is delegated to four name servers: ns-220.awsdns-27.com, ns-918.awsdns-50.net, ns-1173.awsdns-18.org and ns-1756.awsdns-27.co.uk.

theblockbrain.io at least partially shares name servers with other domains such as d23oy3i7b23d7u.cloudfront.net, washingtonconsulting.com, ptsgtrainingsolutionsltd.com, m-netvoting.com and abcaustralia.com.au.

Host names with two IP numbers:

ns-220.awsdns-27.com points to 2600:9000:5300:dc00::1 and 205.251.192.220

ns-918.awsdns-50.net points to 2600:9000:5303:9600::1 and 205.251.195.150

ns-1173.awsdns-18.org points to 2600:9000:5304:9500::1 and 205.251.196.149

ns-1756.awsdns-27.co.uk points to 2600:9000:5306:dc00::1 and 205.251.198.220

Mail Servers

theblockbrain.io 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.

theblockbrain.io shares mail servers with other domains at least in part, for instance ns500698.ns500698.ns500758.ns500698.ns500759.ns500735.ns500735.ns500698.ns500698.ns500698.ns500698.ns500652.ns500576.trackreceptor.com, ns500734.ns500734.ns500693.ns500693.ns500699.ns500693.ns500693.ns500699.ns500683.ns500588.ns500588.ns500699.ns500683.ns500683.ns500588.dtrkdll.com, ns500699.ns500693.ns500734.ns500693.ns500734.ns500699.ns500588.ns500693.ns500699.ns500683.ns500683.ns500588.dtrkdll.com, ns500742.ns500754.ns500671.ns500742.ns500731.ns500671.ns500704.ns500704.ns500705.ns500678.ns500688.ns500671.ns500649.ns500291.ns500291.ns500131.lustychickser.com and ns500734.ns500693.ns500693.ns500699.ns500699.ns500734.ns500588.ns500683.ns500588.ns500632.ns500602.dtrkdll.com.

These mail servers are commonly used together with aspmx2.googlemail.com and aspmx3.googlemail.com.

Two IPs per host name:

aspmx.l.google.com points to: 2607:f8b0:4023:c0b::1a and 142.250.101.26

alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1a and 192.178.128.27

alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1b and 172.253.135.26

alt3.aspmx.l.google.com points to: 2607:f8b0:4023:3003::1b and 172.253.145.26

alt4.aspmx.l.google.com points to: 2607:f8b0:4003:c4a::1a and 142.251.96.26

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)