fsharp.co - dns.ninja

fsharp.co

DNSSEC⚠️ Not signed
NSns-1288.awsdns-33.org ⭐
A2600:9000:5305:800::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1288.awsdns-33.org
A205.251.197.8🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1288.awsdns-33.org
NSns-125.awsdns-15.com
A2600:9000:5300:7d00::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-125.awsdns-15.com
A205.251.192.125🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-125.awsdns-15.com
NSns-1628.awsdns-11.co.uk
A2600:9000:5306:5c00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1628.awsdns-11.co.uk
A205.251.198.92🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1628.awsdns-11.co.uk
NSns-770.awsdns-32.net
A2600:9000:5303:200::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-770.awsdns-32.net
A205.251.195.2🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-770.awsdns-32.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c1b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f27.1e100.net
A142.250.31.27🇺🇸 Google142.250.31.0/24
PTRbj-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1b🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f27.1e100.net
A172.253.157.27🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f27.1e100.net
SOAns-1288.awsdns-33.orgawsdns-hostmaster@amazon.com serial=1

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=1759695270
rank #645035 globally
rank #3807 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

59 records (9 active, 50 former)

201820192020202120222023202420252026NSns-125.awsdns-15.comns-1288.awsdns-33.orgns-1628.awsdns-11.co.ukns-770.awsdns-32.netns-1231.awsdns-25.orgns-1987.awsdns-56.co.ukns-310.awsdns-38.comns-523.awsdns-01.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.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 → 2026-05-12 · 4 obs
● 2017-01-28 05:50:58
● 2026-05-12 00:18:42
○ 2026-05-21 01:22:06
○ 2026-07-01 22:44:32
●NSns-125.awsdns-15.com2026-05-21 → 2026-07-01 · 3 obs
○ 2026-05-12 00:18:42
● 2026-05-21 01:22:06
● 2026-07-01 22:44:32
●NSns-1288.awsdns-33.org2026-05-21 → 2026-07-01 · 3 obs
○ 2026-05-12 00:18:42
● 2026-05-21 01:22:06
● 2026-07-01 22:44:32
●NSns-1628.awsdns-11.co.uk2026-05-21 → 2026-07-01 · 3 obs
○ 2026-05-12 00:18:42
● 2026-05-21 01:22:06
● 2026-07-01 22:44:32
○NSns-1987.awsdns-56.co.uk2017-01-28 → 2026-05-12 · 4 obs
● 2017-01-28 05:50:58
● 2026-05-12 00:18:42
○ 2026-05-21 01:22:06
○ 2026-07-01 22:44:32
○NSns-310.awsdns-38.com2017-01-28 → 2026-05-12 · 4 obs
● 2017-01-28 05:50:58
● 2026-05-12 00:18:42
○ 2026-05-21 01:22:06
○ 2026-07-01 22:44:32
○NSns-523.awsdns-01.net2017-01-28 → 2026-05-12 · 4 obs
● 2017-01-28 05:50:58
● 2026-05-12 00:18:42
○ 2026-05-21 01:22:06
○ 2026-07-01 22:44:32
●NSns-770.awsdns-32.net2026-05-21 → 2026-07-01 · 3 obs
○ 2026-05-12 00:18:42
● 2026-05-21 01:22:06
● 2026-07-01 22:44:32
●MXalt1.aspmx.l.google.com2017-01-28 → 2026-07-01 · 6 obs
● 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-05-12 00:18:42
● 2026-05-21 01:22:06
● 2026-07-01 22:44:32
●MXalt2.aspmx.l.google.com2017-01-28 → 2026-07-01 · 6 obs
● 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-05-12 00:18:42
● 2026-05-21 01:22:06
● 2026-07-01 22:44:32
●MXalt3.aspmx.l.google.com2026-05-21 → 2026-07-01 · 3 obs
○ 2026-05-12 00:18:42
● 2026-05-21 01:22:06
● 2026-07-01 22:44:32
●MXalt4.aspmx.l.google.com2026-05-21 → 2026-07-01 · 3 obs
○ 2026-05-12 00:18:42
● 2026-05-21 01:22:06
● 2026-07-01 22:44:32
●MXaspmx.l.google.com2017-01-28 → 2026-07-01 · 6 obs
● 2017-01-28 05:50:58
● 2018-11-23 14:29:38
○ 2026-03-11 02:03:00
○ 2026-05-12 00:18:42
● 2026-05-21 01:22:06
● 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○A54.192.147.1022017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-07-01 22:44:32
○A54.192.147.1542017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-07-01 22:44:32
○A54.192.147.172017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-07-01 22:44:32
○A54.192.147.2242017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-07-01 22:44:32
○A54.192.147.2312017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-07-01 22:44:32
○A54.192.147.562017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-07-01 22:44:32
○A54.192.147.922017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-07-01 22:44:32
○A54.192.147.972017-01-28 → 2017-01-28 · 3 obs
● 2017-01-28 05:50:58
○ 2018-11-23 14:29:38
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32
○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
○ 2026-07-01 22:44:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co-
fsharp.cons-125.awsdns-15.com, ns-770.awsdns-32.net, ns-1288.awsdns-33.org, ns-1628.awsdns-11.co.uk-

✅ Authoritative Response

Server:205.251.198.92

NS records: ns-125.awsdns-15.com, ns-770.awsdns-32.net, ns-1288.awsdns-33.org, ns-1628.awsdns-11.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fsharp.co (unsigned zone)

⏱️ Timing

Total: 555ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns-125.awsdns-15.com, ns-1288.awsdns-33.org...
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
SOA1ns-1288.awsdns-33.org awsdns-hostmaster.

Analysis

Name Servers

fsharp.co has four authoritative name servers: ns-125.awsdns-15.com, ns-770.awsdns-32.net, ns-1288.awsdns-33.org and ns-1628.awsdns-11.co.uk.

fsharp.co has at least partial name server overlap with other domains, such as 155.207.54.in-addr.arpa, 250.229.18.in-addr.arpa, traveldistributionbank.com and two others.

ns1-24-sa-east-1.ec2-rdns.amazonaws.com, ns2-24-sa-east-1.ec2-rdns.amazonaws.com and ns3-24-sa-east-1.ec2-rdns.amazonaws.com — plus 4 other name servers — are commonly paired with these name servers.

ns-125.awsdns-15.com, ns-770.awsdns-32.net, ns-1288.awsdns-33.org and ns-1628.awsdns-11.co.uk all point to exactly two IP numbers each: ns-125.awsdns-15.com → 205.251.192.125 and 2600:9000:5300:7d00::1; ns-770.awsdns-32.net → 205.251.195.2 and 2600:9000:5303:200::1; ns-1288.awsdns-33.org → 205.251.197.8 and 2600:9000:5305:800::1; ns-1628.awsdns-11.co.uk → 205.251.198.92 and 2600:9000:5306:5c00::1.

Mail Servers

fsharp.co is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

fsharp.co shares mail servers — at least in part — with other domains, including lambcreative.co.nz, colophonpress.com, geoffellsworth.org and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com directs traffic to 142.250.31.27 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.

alt2.aspmx.l.google.com directs traffic to 172.253.116.26 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1b.