`sebuildingsoftware.com`

DNSSEC	⚠️ Not signed
A	13.33.109.31^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
		PTR	`server-13-33-109-31.bos50.r.cloudfront.net`
A	13.33.109.49^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.70^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.86^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
NS	`ns-332.awsdns-41.com` ⭐
		A	2600:9000:5301:4c00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-332.awsdns-41.com`
		A	205.251.193.76^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-332.awsdns-41.com`
NS	`ns-1308.awsdns-35.org`
		A	2600:9000:5305:1c00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1308.awsdns-35.org`
		A	205.251.197.28^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1308.awsdns-35.org`
NS	`ns-1763.awsdns-28.co.uk`
		A	2600:9000:5306:e300::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1763.awsdns-28.co.uk`
		A	205.251.198.227^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1763.awsdns-28.co.uk`
NS	`ns-678.awsdns-20.net`
		A	2600:9000:5302:a600::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-678.awsdns-20.net`
		A	205.251.194.166^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-678.awsdns-20.net`
MX	`inbound-smtp.us-west-2.amazonaws.com` ⭐
		A	35.161.157.106^{🇺🇸 Amazon35.160.0.0/13 EC2 PDX prefix}
			PTR	`ec2-35-161-157-106.us-west-2.compute.amazonaws.com`
		A	52.13.163.116^{🇺🇸 Amazon52.12.0.0/15 EC2 PDX prefix}
			PTR	`ec2-52-13-163-116.us-west-2.compute.amazonaws.com`
		A	52.43.162.244^{🇺🇸 Amazon52.40.0.0/14 EC2 PDX prefix}
			PTR	`ec2-52-43-162-244.us-west-2.compute.amazonaws.com`
		A	54.188.121.70^{🇺🇸 Amazon54.188.0.0/15 EC2 PDX prefix}
			PTR	`ec2-54-188-121-70.us-west-2.compute.amazonaws.com`
TXT	`v=spf1 include:mailgun.org include:amazonses.com ~all`
SOA	`ns-332.awsdns-41.com`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776974116

Same first word

sebuildingsoftware.com

DNS History

45 records (9 active, 36 former)

●NSns-1308.awsdns-35.org2026-03-24 → 2026-04-23 · 2 obs

● 2026-03-24 06:07:48
● 2026-04-23 19:57:58

●NSns-1763.awsdns-28.co.uk2026-03-24 → 2026-04-23 · 2 obs

● 2026-03-24 06:07:48
● 2026-04-23 19:57:58

●NSns-332.awsdns-41.com2026-03-24 → 2026-04-23 · 2 obs

● 2026-03-24 06:07:48
● 2026-04-23 19:57:58

●NSns-678.awsdns-20.net2026-03-24 → 2026-04-23 · 2 obs

● 2026-03-24 06:07:48
● 2026-04-23 19:57:58

●MXinbound-smtp.us-west-2.amazonaws.com2026-03-24 → 2026-04-23 · 2 obs

● 2026-03-24 06:07:48
● 2026-04-23 19:57:58

○A108.158.186.182026-04-16 → 2026-04-23 · 11 obs

○ 2026-04-16 08:57:48
● 2026-04-16 11:18:12
● 2026-04-16 18:05:52
○ 2026-04-16 20:26:00
○ 2026-04-22 19:17:44
● 2026-04-22 20:23:08
○ 2026-04-22 21:37:48
○ 2026-04-22 23:32:48
● 2026-04-23 00:19:06
○ 2026-04-23 01:07:48
○ 2026-04-23 19:57:58

○A108.158.186.312026-04-16 → 2026-04-23 · 11 obs

○A108.158.186.352026-04-16 → 2026-04-23 · 11 obs

○A108.158.186.942026-04-16 → 2026-04-23 · 11 obs

○A13.225.143.1022026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-04 09:30:42
● 2026-04-05 14:59:08
○ 2026-04-05 17:47:48
○ 2026-04-23 19:57:58

○A13.225.143.472026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-04 09:30:42
● 2026-04-05 14:59:08
○ 2026-04-05 17:47:48
○ 2026-04-23 19:57:58

○A13.225.143.482026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-04 09:30:42
● 2026-04-05 14:59:08
○ 2026-04-05 17:47:48
○ 2026-04-23 19:57:58

○A13.225.143.962026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-04 09:30:42
● 2026-04-05 14:59:08
○ 2026-04-05 17:47:48
○ 2026-04-23 19:57:58

○A13.226.238.1122026-03-27 → 2026-04-20 · 32 obs

○ 2026-03-25 07:24:02
● 2026-03-27 04:13:38
○ 2026-03-27 07:48:20
○ 2026-04-18 06:11:12
● 2026-04-18 08:24:36
● 2026-04-18 11:49:04
○ 2026-04-18 13:25:50
● 2026-04-18 15:19:08
○ 2026-04-18 15:57:16
● 2026-04-18 18:42:26
○ 2026-04-18 20:04:02
● 2026-04-18 21:02:20
● 2026-04-19 02:39:32
○ 2026-04-19 03:14:26
● 2026-04-19 06:09:24
● 2026-04-19 17:49:10
○ 2026-04-19 18:27:32
● 2026-04-19 18:59:22
● 2026-04-19 20:02:22
○ 2026-04-19 20:51:48
● 2026-04-19 22:17:06
○ 2026-04-19 22:51:52
● 2026-04-19 23:26:54
○ 2026-04-20 00:19:38
○ 2026-04-20 03:30:28
● 2026-04-20 04:07:08
● 2026-04-20 06:20:30
○ 2026-04-20 07:24:52
● 2026-04-20 12:10:52
● 2026-04-20 15:33:46
○ 2026-04-20 16:44:06
○ 2026-04-23 19:57:58

○A13.226.238.122026-03-27 → 2026-04-20 · 32 obs

○A13.226.238.142026-03-27 → 2026-04-20 · 32 obs

○A13.226.238.842026-03-27 → 2026-04-20 · 32 obs

●A13.33.109.312026-04-20 → 2026-04-23 · 34 obs

○ 2026-04-20 15:33:46
● 2026-04-20 16:44:06
● 2026-04-20 22:27:12
○ 2026-04-21 00:34:52
● 2026-04-21 02:53:26
● 2026-04-21 17:49:04
○ 2026-04-21 18:32:44
● 2026-04-21 20:09:22
● 2026-04-22 05:34:52
○ 2026-04-22 07:43:58
● 2026-04-22 11:07:24
● 2026-04-22 15:47:30
○ 2026-04-22 16:19:26
● 2026-04-22 16:57:46
● 2026-04-22 19:17:44
○ 2026-04-22 20:23:08
● 2026-04-22 21:37:48
○ 2026-04-22 23:32:48
○ 2026-04-23 00:19:06
● 2026-04-23 01:07:48
● 2026-04-23 06:31:26
○ 2026-04-23 07:14:18
● 2026-04-23 08:40:32
● 2026-04-23 09:21:18
○ 2026-04-23 11:00:00
● 2026-04-23 12:10:36
○ 2026-04-23 12:56:52
● 2026-04-23 14:23:58
○ 2026-04-23 14:57:10
● 2026-04-23 16:37:08
○ 2026-04-23 17:27:14
○ 2026-04-23 18:41:58
● 2026-04-23 19:57:54
● 2026-04-23 19:57:58

●A13.33.109.492026-04-20 → 2026-04-23 · 34 obs

●A13.33.109.702026-04-20 → 2026-04-23 · 34 obs

●A13.33.109.862026-04-20 → 2026-04-23 · 34 obs

○A13.33.235.1262026-03-24 → 2026-03-27 · 8 obs

● 2026-03-24 06:07:48
○ 2026-03-24 12:18:52
● 2026-03-24 14:52:18
○ 2026-03-25 07:24:02
○ 2026-03-27 04:13:38
● 2026-03-27 07:48:20
○ 2026-03-27 22:55:36
○ 2026-04-23 19:57:58

○A13.33.235.142026-03-24 → 2026-03-27 · 8 obs

● 2026-03-24 06:07:48
○ 2026-03-24 12:18:52
● 2026-03-24 14:52:18
○ 2026-03-25 07:24:02
○ 2026-03-27 04:13:38
● 2026-03-27 07:48:20
○ 2026-03-27 22:55:36
○ 2026-04-23 19:57:58

○A13.33.235.32026-03-24 → 2026-03-27 · 8 obs

● 2026-03-24 06:07:48
○ 2026-03-24 12:18:52
● 2026-03-24 14:52:18
○ 2026-03-25 07:24:02
○ 2026-03-27 04:13:38
● 2026-03-27 07:48:20
○ 2026-03-27 22:55:36
○ 2026-04-23 19:57:58

○A13.33.235.422026-03-24 → 2026-03-27 · 8 obs

● 2026-03-24 06:07:48
○ 2026-03-24 12:18:52
● 2026-03-24 14:52:18
○ 2026-03-25 07:24:02
○ 2026-03-27 04:13:38
● 2026-03-27 07:48:20
○ 2026-03-27 22:55:36
○ 2026-04-23 19:57:58

○A18.165.227.1112026-03-24 → 2026-04-22 · 74 obs

○ 2026-03-24 06:07:48
● 2026-03-24 12:18:52
○ 2026-03-24 14:52:18
● 2026-03-25 07:24:02
○ 2026-03-27 04:13:38
○ 2026-03-27 07:48:20
● 2026-03-27 22:55:36
○ 2026-03-28 12:33:30
● 2026-03-28 15:44:24
○ 2026-03-28 16:55:38
○ 2026-03-30 02:42:46
● 2026-03-30 10:29:22
● 2026-03-31 01:28:32
○ 2026-03-31 10:52:30
● 2026-04-01 01:52:34
● 2026-04-02 07:15:44
○ 2026-04-03 01:55:26
● 2026-04-04 09:30:42
○ 2026-04-05 14:59:08
● 2026-04-05 17:47:48
● 2026-04-06 19:48:46
○ 2026-04-07 06:17:30
○ 2026-04-07 09:42:04
● 2026-04-09 02:26:36
● 2026-04-11 01:42:56
○ 2026-04-12 11:54:00
● 2026-04-13 01:38:46
● 2026-04-13 05:49:10
○ 2026-04-13 09:36:44
● 2026-04-13 20:31:52
○ 2026-04-15 07:25:58
● 2026-04-15 10:48:28
○ 2026-04-16 02:24:02
○ 2026-04-16 21:36:20
● 2026-04-16 22:25:22
● 2026-04-16 23:03:54
○ 2026-04-16 23:56:08
○ 2026-04-17 03:26:22
● 2026-04-17 04:31:20
○ 2026-04-17 05:46:04
○ 2026-04-17 19:41:34
● 2026-04-17 20:38:00
○ 2026-04-17 22:01:44
○ 2026-04-18 11:49:04
● 2026-04-18 13:25:50
○ 2026-04-18 15:19:08
● 2026-04-18 15:57:16
○ 2026-04-18 18:42:26
○ 2026-04-19 02:39:32
● 2026-04-19 03:14:26
○ 2026-04-19 06:09:24
○ 2026-04-19 20:02:22
● 2026-04-19 20:51:48
○ 2026-04-19 22:17:06
○ 2026-04-19 23:26:54
● 2026-04-20 00:19:38
● 2026-04-20 03:30:28
○ 2026-04-20 04:07:08
○ 2026-04-20 06:20:30
● 2026-04-20 07:24:52
○ 2026-04-20 12:10:52
○ 2026-04-21 17:49:04
● 2026-04-21 18:32:44
○ 2026-04-21 20:09:22
○ 2026-04-22 05:34:52
● 2026-04-22 07:43:58
○ 2026-04-22 11:07:24
○ 2026-04-22 15:47:30
● 2026-04-22 16:19:26
○ 2026-04-22 16:57:46
○ 2026-04-22 21:37:48
● 2026-04-22 23:32:48
○ 2026-04-23 00:19:06
○ 2026-04-23 19:57:58

○A18.165.227.192026-03-24 → 2026-04-22 · 74 obs

○A18.165.227.652026-03-24 → 2026-04-22 · 74 obs

○A18.165.227.922026-03-24 → 2026-04-22 · 74 obs

○A18.245.143.122026-04-03 → 2026-04-07 · 7 obs

○ 2026-04-02 07:15:44
● 2026-04-03 01:55:26
○ 2026-04-04 09:30:42
○ 2026-04-07 06:17:30
● 2026-04-07 09:42:04
○ 2026-04-09 02:26:36
○ 2026-04-23 19:57:58

○A18.245.143.562026-04-03 → 2026-04-07 · 7 obs

○ 2026-04-02 07:15:44
● 2026-04-03 01:55:26
○ 2026-04-04 09:30:42
○ 2026-04-07 06:17:30
● 2026-04-07 09:42:04
○ 2026-04-09 02:26:36
○ 2026-04-23 19:57:58

○A18.245.143.882026-04-03 → 2026-04-07 · 7 obs

○ 2026-04-02 07:15:44
● 2026-04-03 01:55:26
○ 2026-04-04 09:30:42
○ 2026-04-07 06:17:30
● 2026-04-07 09:42:04
○ 2026-04-09 02:26:36
○ 2026-04-23 19:57:58

○A18.245.143.902026-04-03 → 2026-04-07 · 7 obs

○ 2026-04-02 07:15:44
● 2026-04-03 01:55:26
○ 2026-04-04 09:30:42
○ 2026-04-07 06:17:30
● 2026-04-07 09:42:04
○ 2026-04-09 02:26:36
○ 2026-04-23 19:57:58

○A3.174.29.1212026-04-16 → 2026-04-19 · 22 obs

○ 2026-04-15 10:48:28
● 2026-04-16 02:24:02
○ 2026-04-16 03:14:48
○ 2026-04-17 05:46:04
● 2026-04-17 06:42:14
○ 2026-04-17 08:06:38
○ 2026-04-17 12:46:42
● 2026-04-17 15:28:48
○ 2026-04-17 16:16:54
○ 2026-04-17 22:01:44
● 2026-04-18 00:08:34
○ 2026-04-18 01:31:12
○ 2026-04-18 18:42:26
● 2026-04-18 20:04:02
○ 2026-04-18 21:02:20
○ 2026-04-19 17:49:10
● 2026-04-19 18:27:32
○ 2026-04-19 18:59:22
○ 2026-04-19 22:17:06
● 2026-04-19 22:51:52
○ 2026-04-19 23:26:54
○ 2026-04-23 19:57:58

○A3.174.29.262026-04-16 → 2026-04-19 · 22 obs

○A3.174.29.562026-04-16 → 2026-04-19 · 22 obs

○A3.174.29.922026-04-16 → 2026-04-19 · 22 obs

○A3.174.83.102026-03-28 → 2026-04-21 · 49 obs

○ 2026-03-27 22:55:36
● 2026-03-28 12:33:30
○ 2026-03-28 15:44:24
● 2026-03-28 16:55:38
● 2026-03-30 02:42:46
○ 2026-03-30 10:29:22
○ 2026-03-31 01:28:32
● 2026-03-31 10:52:30
○ 2026-04-01 01:52:34
○ 2026-04-06 19:48:46
● 2026-04-07 06:17:30
○ 2026-04-07 09:42:04
○ 2026-04-11 01:42:56
● 2026-04-12 11:54:00
○ 2026-04-13 01:38:46
○ 2026-04-13 05:49:10
● 2026-04-13 09:36:44
○ 2026-04-13 20:31:52
● 2026-04-15 07:25:58
○ 2026-04-15 10:48:28
○ 2026-04-16 02:24:02
● 2026-04-16 03:14:48
● 2026-04-16 08:57:48
○ 2026-04-16 11:18:12
○ 2026-04-16 18:05:52
● 2026-04-16 20:26:00
● 2026-04-16 21:36:20
○ 2026-04-16 22:25:22
○ 2026-04-16 23:03:54
● 2026-04-16 23:56:08
● 2026-04-17 03:26:22
○ 2026-04-17 04:31:20
● 2026-04-17 05:46:04
○ 2026-04-17 06:42:14
● 2026-04-17 08:06:38
● 2026-04-17 12:46:42
○ 2026-04-17 15:28:48
● 2026-04-17 16:16:54
● 2026-04-17 19:41:34
○ 2026-04-17 20:38:00
● 2026-04-17 22:01:44
○ 2026-04-18 00:08:34
● 2026-04-18 01:31:12
● 2026-04-18 06:11:12
○ 2026-04-18 08:24:36
○ 2026-04-20 22:27:12
● 2026-04-21 00:34:52
○ 2026-04-21 02:53:26
○ 2026-04-23 19:57:58

○A3.174.83.112026-03-28 → 2026-04-21 · 49 obs

○A3.174.83.582026-03-28 → 2026-04-21 · 49 obs

○A3.174.83.992026-03-28 → 2026-04-21 · 49 obs

○A54.230.201.232026-04-23 → 2026-04-23 · 14 obs

○ 2026-04-23 06:31:26
● 2026-04-23 07:14:18
○ 2026-04-23 08:40:32
○ 2026-04-23 09:21:18
● 2026-04-23 11:00:00
○ 2026-04-23 12:10:36
● 2026-04-23 12:56:52
○ 2026-04-23 14:23:58
● 2026-04-23 14:57:10
○ 2026-04-23 16:37:08
● 2026-04-23 17:27:14
● 2026-04-23 18:41:58
○ 2026-04-23 19:57:54
○ 2026-04-23 19:57:58

○A54.230.201.562026-04-23 → 2026-04-23 · 14 obs

○A54.230.201.882026-04-23 → 2026-04-23 · 14 obs

○A54.230.201.92026-04-23 → 2026-04-23 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net...	-
sebuildingsoftware.com	ns-678.awsdns-20.net, ns-332.awsdns-41.com, ns-1763.awsdns-28.co.uk, ns-1308.awsdns-35.org	2 records

✅ Authoritative Response

Server:205.251.193.76

NS records: ns-678.awsdns-20.net, ns-332.awsdns-41.com, ns-1763.awsdns-28.co.uk, ns-1308.awsdns-35.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sebuildingsoftware.com (unsigned zone)

⏱️ Timing

Total: 609ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.33.109.31, 13.33.109.86...`
NS	4	`ns-1308.awsdns-35.org, ns-1763.awsdns-28.co.uk...`
MX	1	`inbound-smtp.us-west-2.amazonaws.com (pr`
TXT	1	`v=spf1 include:mailgun.org include:amazo`
SOA	1	`ns-332.awsdns-41.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-332.awsdns-41.com, ns-332.awsdns-41.com)

Analysis

IP Addresses

sebuildingsoftware.com points to four IP numbers: 13.33.109.31, 13.33.109.49, 13.33.109.70 and 13.33.109.86.

Name Servers

sebuildingsoftware.com is delegated to four name servers: ns-332.awsdns-41.com, ns-678.awsdns-20.net, ns-1308.awsdns-35.org and ns-1763.awsdns-28.co.uk.

Host names with two IPs: ns-332.awsdns-41.com points to 2600:9000:5301:4c00::1 and 205.251.193.76; ns-678.awsdns-20.net points to 2600:9000:5302:a600::1 and 205.251.194.166; ns-1308.awsdns-35.org points to 2600:9000:5305:1c00::1 and 205.251.197.28; ns-1763.awsdns-28.co.uk points to 2600:9000:5306:e300::1 and 205.251.198.227.

Mail Servers

sebuildingsoftware.com is served by a single mail server, inbound-smtp.us-west-2.amazonaws.com.

sebuildingsoftware.com uses the same mail server setup as other domains such as pool.miniclippt.com, angel-live.com, bc-demo.com, wiredenroll.com and sylphjewelry.com.

sebuildingsoftware.com shares some mail servers with other domains, including pegasusdesigns.atlassian.net, hpe.atlassian.net, pinnacle21.atlassian.net, openpeppol.atlassian.net and vivosindeudas.com.

These mail servers are commonly used alongside inbound-smtp.us-east-1.amazonaws.com, aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

inbound-smtp.us-west-2.amazonaws.com resolves to four IPs: 35.161.157.106, 52.13.163.116, 52.43.162.244 and 54.188.121.70.

sebuildingsoftware.com - robtex.com