softwarecraftsmanship.org - dns.ninja

`softwarecraftsmanship.org`

DNSSEC	⚠️ Not signed
A	3.131.150.69^{🇺🇸 Amazon3.131.0.0/16 EC2 CMH prefix}
		PTR	`ec2-3-131-150-69.us-east-2.compute.amazonaws.com`
NS	`ns1.dnsimple-edge.com` ⭐
		A	2620:111:8004::53^{🇺🇸 AS327712620:111:8004::/48 DNSimple Corporation}
		A	199.247.152.53^{🇺🇸 AS32771199.247.152.0/24 DNSimple Corporation}
NS	`ns2.dnsimple-edge.net`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.dnsimple-edge.io`
		A	2620:111:8006::53^{🇺🇸 AS327712620:111:8006::/48 DNSimple Corporation}
		A	199.247.154.53^{🇺🇸 AS32771199.247.154.0/24 DNSimple Corporation}
NS	`ns4.dnsimple-edge.org`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
SOA	`ns1.dnsimple-edge.com`admin@dnsimple.com 2013-02-19 #27

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1786446260

rank #254333 globally
rank #20334 in the tld
📈 Tranco rank: #992,260

Subdomains

scna.softwarecraftsmanship.org

Same first word

softwarecraftsmanship.org

softwarecraftsmanship.co.uk

softwarecraftsmanship.com

DNS History

16 records (10 active, 6 former)

●NSns1.dnsimple-edge.com2026-05-19 → 2026-08-11 · 3 obs

○ 2026-05-10 16:04:12
● 2026-05-19 14:44:02
● 2026-08-11 11:35:16

○NSns1.dnsimple.com2015-05-15 → 2026-05-10 · 4 obs

● 2015-05-15 22:55:48
● 2026-05-10 16:04:12
○ 2026-05-19 14:44:02
○ 2026-08-11 11:35:16

●NSns2.dnsimple-edge.net2026-02-19 → 2026-08-11 · 3 obs

○ 2017-06-21 03:15:44
● 2026-02-19 11:03:50
● 2026-08-11 11:35:16

○NSns2.dnsimple.com2015-05-15 → 2017-06-21 · 4 obs

● 2015-05-15 22:55:48
● 2017-06-21 03:15:44
○ 2026-02-19 11:03:50
○ 2026-08-11 11:35:16

●NSns3.dnsimple-edge.io2026-05-19 → 2026-08-11 · 3 obs

○ 2026-05-10 16:04:12
● 2026-05-19 14:44:02
● 2026-08-11 11:35:16

○NSns3.dnsimple.com2015-05-15 → 2026-05-10 · 4 obs

● 2015-05-15 22:55:48
● 2026-05-10 16:04:12
○ 2026-05-19 14:44:02
○ 2026-08-11 11:35:16

●NSns4.dnsimple-edge.org2026-02-19 → 2026-08-11 · 3 obs

○ 2017-06-21 03:15:44
● 2026-02-19 11:03:50
● 2026-08-11 11:35:16

○NSns4.dnsimple.com2015-05-15 → 2017-06-21 · 4 obs

● 2015-05-15 22:55:48
● 2017-06-21 03:15:44
○ 2026-02-19 11:03:50
○ 2026-08-11 11:35:16

●MXalt1.aspmx.l.google.com2015-05-15 → 2026-08-11 · 2 obs

● 2015-05-15 22:55:48
● 2026-08-11 11:35:16

●MXalt2.aspmx.l.google.com2015-05-15 → 2026-08-11 · 2 obs

● 2015-05-15 22:55:48
● 2026-08-11 11:35:16

●MXaspmx.l.google.com2015-05-15 → 2026-08-11 · 2 obs

● 2015-05-15 22:55:48
● 2026-08-11 11:35:16

●MXaspmx2.googlemail.com2015-05-15 → 2026-08-11 · 2 obs

● 2015-05-15 22:55:48
● 2026-08-11 11:35:16

●MXaspmx3.googlemail.com2015-05-15 → 2026-08-11 · 2 obs

● 2015-05-15 22:55:48
● 2026-08-11 11:35:16

○A188.166.203.692017-06-21 → 2017-06-21 · 4 obs

○ 2016-07-20 09:45:38
● 2017-06-21 03:15:44
○ 2026-02-19 11:03:50
○ 2026-08-11 11:35:16

●A3.131.150.692026-02-19 → 2026-08-11 · 3 obs

○ 2017-06-21 03:15:44
● 2026-02-19 11:03:50
● 2026-08-11 11:35:16

○A50.31.225.932015-05-15 → 2016-07-20 · 4 obs

● 2015-05-15 22:55:48
● 2016-07-20 09:45:38
○ 2017-06-21 03:15:44
○ 2026-08-11 11:35:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
softwarecraftsmanship.org	ns1.dnsimple-edge.com, ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns4.dnsimple-edge.org	2 records

✅ Authoritative Response

Server:199.247.155.53

NS records: ns1.dnsimple-edge.com, ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns4.dnsimple-edge.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for softwarecraftsmanship.org (unsigned zone)

⏱️ Timing

Total: 513ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.131.150.69`
NS	4	`ns1.dnsimple-edge.com, ns2.dnsimple-edge.net...`
MX	5	`aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 20)...`
SOA	1	`ns1.dnsimple-edge.com admin.dnsimple.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns4.dnsimple-edge.org, ns4.dnsimple-edge.org)

Analysis

Hierarchy

softwarecraftsmanship.org serves as the parent of scna.softwarecraftsmanship.org.

IP Addresses

softwarecraftsmanship.org has exactly one IP address — 3.131.150.69.

www.cheapstockstowatch.com, heyprdeskoffice.info, weareallaboutpeople.com plus two other host names have IP numbers in common with softwarecraftsmanship.org.

Name Servers

Four name servers handle the delegation for softwarecraftsmanship.org: ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.

softwarecraftsmanship.org has at least partial name server overlap with other domains, such as harveys-email.co.uk, rubysteps.com, summersphc.com and two others.

It is common to see these name servers used together with name servers ns1.dnsimple.com and ns3.dnsimple.com.

ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org all point to exactly two IP numbers each: ns1.dnsimple-edge.com → 199.247.152.53 and 2620:111:8004::53; ns3.dnsimple-edge.io → 199.247.154.53 and 2620:111:8006::53; ns2.dnsimple-edge.net → 199.247.153.53 and 2620:111:8005::53; ns4.dnsimple-edge.org → 199.247.155.53 and 2620:111:8007::53.

Mail Servers

softwarecraftsmanship.org is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

At least some of the mail servers used by softwarecraftsmanship.org are shared with other domains: 2wenty6ix.com, keniafitness.es, tarkafed.org and two others among them.

These mail servers are often deployed together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other mail servers.

Host names pointing to two IP addresses:

aspmx2.googlemail.com resolves to 192.178.234.27 and 2800:3f0:4003:c14::1a.

aspmx3.googlemail.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com resolves to 142.250.31.26 and 2607:f8b0:4004:c1b::1b.

alt1.aspmx.l.google.com resolves to 192.178.234.26 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1b.

The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.27 IP addresses.