fsharp.co - robtex.com

fsharp.co

DNSSEC⚠️ Not signed
NSns-1231.awsdns-25.org ⚠️ Not in zone NS records
A2600:9000:5304:cf00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1231.awsdns-25.org
A205.251.196.207🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1231.awsdns-25.org
NSns-1987.awsdns-56.co.uk ⚠️ Not in zone NS records
A2600:9000:5307:c300::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1987.awsdns-56.co.uk
A205.251.199.195🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1987.awsdns-56.co.uk
NSns-310.awsdns-38.com ⚠️ Not in zone NS records
A2600:9000:5301:3600::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-310.awsdns-38.com
A205.251.193.54🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-310.awsdns-38.com
NSns-523.awsdns-01.net ⚠️ Not in zone NS records
A2600:9000:5302:b00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-523.awsdns-01.net
A205.251.194.11🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-523.awsdns-01.net

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759641317
rank #685859 globally
rank #3418 in the tld

Same first word

fsharp.ru
fsharp.net
fsharp.in
fsharp.dev
fsharp.it
fsharp.us
fsharp.com
fsharp.org
fsharp.co
fsharp.at
fsharp.github.io

Similar names

pahsrf.com
sharpf.com
farsph.ir

DNS History

53 records (4 active, 49 former)

201820192020202120222023202420252026NSns-1231.awsdns-25.orgns-1987.awsdns-56.co.ukns-310.awsdns-38.comns-523.awsdns-01.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA13.32.254.15813.32.254.16013.32.254.20913.32.254.513.33.213.10713.33.213.5113.33.213.8013.33.213.9213.35.146.1313.35.146.4713.35.146.5513.35.146.9613.35.198.12313.35.198.2013.35.198.4113.35.198.9213.35.20.10613.35.20.12813.35.20.8113.35.20.9152.84.246.11152.84.246.1652.84.246.19652.84.246.654.192.147.10254.192.147.15454.192.147.1754.192.147.22454.192.147.23154.192.147.5654.192.147.9254.192.147.9754.192.29.17954.192.29.3554.192.29.3954.192.29.7454.192.57.11954.192.57.12254.192.57.1754.192.57.7754.230.192.12254.230.192.12454.230.192.21954.230.192.59
●NSns-1231.awsdns-25.org2017-01-28 → 2026-04-23 · 2 obs
● 2017-01-28 05:50:58
● 2026-04-23 18:55:10
●NSns-1987.awsdns-56.co.uk2017-01-28 → 2026-04-23 · 2 obs
● 2017-01-28 05:50:58
● 2026-04-23 18:55:10
●NSns-310.awsdns-38.com2017-01-28 → 2026-04-23 · 2 obs
● 2017-01-28 05:50:58
● 2026-04-23 18:55:10
●NSns-523.awsdns-01.net2017-01-28 → 2026-04-23 · 2 obs
● 2017-01-28 05:50:58
● 2026-04-23 18:55:10
○MXalt1.aspmx.l.google.com2017-01-28 → 2018-11-23 · 4 obs
● 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○MXalt2.aspmx.l.google.com2017-01-28 → 2018-11-23 · 4 obs
● 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○MXaspmx.l.google.com2017-01-28 → 2018-11-23 · 4 obs
● 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○MXaspmx2.googlemail.com2017-01-28 → 2018-11-23 · 4 obs
● 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○MXaspmx3.googlemail.com2017-01-28 → 2018-11-23 · 4 obs
● 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.32.254.1582018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.32.254.1602018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.32.254.2092018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.32.254.52018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.33.213.1072018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.33.213.512018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.33.213.802018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.33.213.922018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.35.146.132018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.35.146.472018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.35.146.552018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.35.146.962018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.35.198.1232018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.35.198.202018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.35.198.412018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.35.198.922018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.35.20.1062018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.35.20.1282018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.35.20.812018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A13.35.20.912018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A52.84.246.1112018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A52.84.246.162018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A52.84.246.1962018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A52.84.246.62018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A54.192.147.1022017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-04-23 18:55:10
○A54.192.147.1542017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-04-23 18:55:10
○A54.192.147.172017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-04-23 18:55:10
○A54.192.147.2242017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-04-23 18:55:10
○A54.192.147.2312017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-04-23 18:55:10
○A54.192.147.562017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-04-23 18:55:10
○A54.192.147.922017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-04-23 18:55:10
○A54.192.147.972017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-04-23 18:55:10
○A54.192.29.1792018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A54.192.29.352018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A54.192.29.392018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A54.192.29.742018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A54.192.57.1192018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A54.192.57.1222018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A54.192.57.172018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A54.192.57.772018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A54.230.192.1222018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A54.230.192.1242018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A54.230.192.2192018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10
○A54.230.192.592018-11-23 → 2018-11-23 · 4 obs
○ 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-04-23 18:55:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co-
fsharp.cons-310.awsdns-38.com, ns-523.awsdns-01.net, ns-1231.awsdns-25.org, ns-1987.awsdns-56.co.uk-

✅ Authoritative Response

Server:205.251.193.54

NS records: ns-310.awsdns-38.com, ns-523.awsdns-01.net, ns-1231.awsdns-25.org, ns-1987.awsdns-56.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fsharp.co (unsigned zone)

⏱️ Timing

Total: 896ms | Queries: -

📄 Records

TypeCountSample Data

Analysis

Name Servers

fsharp.co is delegated to four name servers: ns-310.awsdns-38.com, ns-523.awsdns-01.net, ns-1231.awsdns-25.org and ns-1987.awsdns-56.co.uk.

fsharp.co at least partially shares name servers with other domains, for instance lumi.hair, d3a1h48mqytw9d.cloudfront.net, ciscosimpleit.com, cargil.com.ng and 149.64.69.in-addr.arpa.

Host names with two IP numbers:

ns-310.awsdns-38.com points to: 2600:9000:5301:3600::1 and 205.251.193.54.

ns-523.awsdns-01.net points to: 2600:9000:5302:b00::1 and 205.251.194.11.

ns-1231.awsdns-25.org points to: 2600:9000:5304:cf00::1 and 205.251.196.207.

ns-1987.awsdns-56.co.uk points to: 2600:9000:5307:c300::1 and 205.251.199.195.