`simple-fit.app`

DNSSEC	⚠️ Not signed
A	66.33.60.34^{🇺🇸 Amazon66.33.60.0/24 EC2 Prefix}
A	66.33.60.193^{🇺🇸 Amazon66.33.60.0/24 EC2 Prefix}
NS	`ns1.vercel-dns.com` ⭐
		A	2620:4d:4000:6259:7:13:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p13.nsone.net`
		A	198.51.44.13^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p13.nsone.net`
NS	`ns2.vercel-dns.com`
		A	2a00:edc0:6259:7:13::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p13.nsone.net`
		A	198.51.45.13^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p13.nsone.net`
MX	`mx1.forwardemail.net` ⭐
		A	2604:a880:2:d0::306:1^{🇺🇸 DIGITALOCEAN2604:a880:2::/48 DigitalOcean}
			PTR	`mx1.forwardemail.net`
		A	2a02:6ea0:d71e::2^{🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6}
			PTR	`mx1.forwardemail.net`
		A	121.127.44.56^{🇺🇸 CDN77121.127.44.0/24 Denver}
			PTR	`mx1.forwardemail.net`
		A	138.197.213.185^{🇺🇸 DIGITALOCEAN138.197.208.0/20 DigitalOcean}
			PTR	`mx1.forwardemail.net`
MX	`mx2.forwardemail.net` ⭐
		A	2604:a880:400:d1::cd:9001^{🇺🇸 DIGITALOCEAN2604:a880:400::/48 DigitalOcean}
			PTR	`mx2.forwardemail.net`
		A	2a02:6ea0:d71e::1^{🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6}
			PTR	`mx2.forwardemail.net`
		A	104.248.224.170^{🇺🇸 DIGITALOCEAN104.248.224.0/20 DigitalOcean}
			PTR	`mx2.forwardemail.net`
		A	121.127.44.59^{🇺🇸 CDN77121.127.44.0/24 Denver}
			PTR	`mx2.forwardemail.net`
TXT	`forward-email-site-verification=ba2A44zdJK`
SOA	`ns1.vercel-dns.com`hostmaster@nsone.net serial=1705334767

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

simple-fit.app

DNS History

20 records (6 active, 14 former)

●NSns1.vercel-dns.com2026-02-19 → 2026-04-04 · 2 obs

● 2026-02-19 08:15:54
● 2026-04-04 05:56:16

●NSns2.vercel-dns.com2026-02-19 → 2026-04-04 · 2 obs

● 2026-02-19 08:15:54
● 2026-04-04 05:56:16

●MXmx1.forwardemail.net2026-02-19 → 2026-04-04 · 2 obs

● 2026-02-19 08:15:54
● 2026-04-04 05:56:16

●MXmx2.forwardemail.net2026-02-19 → 2026-04-04 · 2 obs

● 2026-02-19 08:15:54
● 2026-04-04 05:56:16

○A66.33.60.1292026-02-20 → 2026-04-03 · 63 obs

○ 2026-02-20 01:23:26
● 2026-02-20 02:48:38
○ 2026-02-20 03:46:36
○ 2026-02-21 02:42:24
● 2026-02-21 16:05:28
○ 2026-02-22 02:41:38
○ 2026-02-23 15:12:34
● 2026-02-23 16:14:36
○ 2026-02-23 20:35:14
● 2026-02-23 21:23:48
○ 2026-02-24 02:46:32
○ 2026-02-25 01:49:10
● 2026-02-25 03:00:16
○ 2026-02-25 05:29:10
○ 2026-02-27 09:21:46
● 2026-02-27 21:00:50
○ 2026-02-28 14:53:44
○ 2026-03-07 15:52:38
● 2026-03-07 17:28:08
● 2026-03-07 18:06:00
○ 2026-03-07 21:20:16
○ 2026-03-09 15:05:16
● 2026-03-09 16:05:42
● 2026-03-09 23:17:30
○ 2026-03-10 02:11:08
● 2026-03-10 03:53:30
○ 2026-03-10 08:33:32
○ 2026-03-15 02:45:18
● 2026-03-15 03:41:50
○ 2026-03-15 04:46:28
○ 2026-03-15 06:47:22
● 2026-03-15 21:09:38
○ 2026-03-16 03:16:26
○ 2026-03-16 21:52:34
● 2026-03-17 03:32:50
○ 2026-03-17 05:36:16
○ 2026-03-19 13:25:44
● 2026-03-20 03:43:32
○ 2026-03-20 10:48:38
○ 2026-03-21 03:02:38
● 2026-03-21 03:43:24
○ 2026-03-21 20:39:04
● 2026-03-22 02:59:38
○ 2026-03-22 04:13:12
○ 2026-03-22 05:32:12
● 2026-03-22 09:00:36
○ 2026-03-22 22:09:22
○ 2026-03-26 23:14:54
● 2026-03-27 02:58:58
○ 2026-03-27 05:44:54
● 2026-03-27 14:27:16
● 2026-03-27 22:30:34
○ 2026-03-28 08:46:16
○ 2026-03-30 12:11:40
● 2026-03-30 21:09:10
○ 2026-03-31 12:04:30
○ 2026-04-02 18:13:04
● 2026-04-02 18:47:40
● 2026-04-03 02:42:22
○ 2026-04-03 04:13:42
● 2026-04-03 18:10:06
○ 2026-04-04 00:45:52
○ 2026-04-04 05:56:16

○A66.33.60.1302026-02-22 → 2026-04-04 · 61 obs

○ 2026-02-21 16:05:28
● 2026-02-22 02:41:38
● 2026-02-22 20:51:10
○ 2026-02-23 09:52:48
○ 2026-02-28 14:53:44
● 2026-03-01 03:42:30
○ 2026-03-01 07:36:24
○ 2026-03-01 14:22:56
● 2026-03-02 08:50:00
● 2026-03-02 09:35:02
○ 2026-03-02 11:22:52
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● 2026-03-03 03:58:28
○ 2026-03-03 05:28:54
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● 2026-03-05 23:37:00
○ 2026-03-06 04:03:42
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● 2026-03-07 11:02:56
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● 2026-03-07 21:20:16
● 2026-03-07 21:56:24
○ 2026-03-07 23:30:56
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● 2026-03-08 10:32:40
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● 2026-03-08 17:54:46
○ 2026-03-08 20:50:56
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● 2026-03-10 02:11:08
○ 2026-03-10 03:53:30
○ 2026-03-11 17:58:20
● 2026-03-12 04:29:54
○ 2026-03-12 06:14:58
○ 2026-03-12 07:18:54
● 2026-03-13 03:45:40
○ 2026-03-13 16:31:44
● 2026-03-14 08:57:14
● 2026-03-14 13:09:32
○ 2026-03-14 16:00:20
○ 2026-03-15 04:46:28
● 2026-03-15 06:47:22
○ 2026-03-15 21:09:38
○ 2026-03-17 11:54:34
● 2026-03-17 15:57:24
○ 2026-03-18 03:43:40
○ 2026-03-19 13:25:44
● 2026-03-20 03:43:32
● 2026-03-21 03:02:38
○ 2026-03-21 03:43:24
○ 2026-03-22 04:13:12
● 2026-03-22 05:32:12
○ 2026-03-22 09:00:36
○ 2026-04-02 18:13:04
● 2026-04-02 18:47:40
○ 2026-04-03 02:42:22
○ 2026-04-03 18:10:06
● 2026-04-04 00:45:52
○ 2026-04-04 05:56:14
○ 2026-04-04 05:56:16

●A66.33.60.1932026-02-20 → 2026-04-04 · 68 obs

○ 2026-02-19 08:15:54
● 2026-02-20 01:23:26
○ 2026-02-20 02:48:38
○ 2026-02-24 04:47:40
● 2026-02-24 23:29:00
○ 2026-02-25 01:49:10
○ 2026-03-02 11:22:52
● 2026-03-02 19:03:54
○ 2026-03-02 22:07:46
○ 2026-03-03 01:54:00
● 2026-03-03 02:43:56
○ 2026-03-03 03:58:28
○ 2026-03-04 02:53:30
● 2026-03-04 03:30:00
○ 2026-03-04 07:52:42
○ 2026-03-04 14:46:34
● 2026-03-05 04:31:34
○ 2026-03-05 13:58:52
○ 2026-03-06 08:58:12
● 2026-03-06 14:58:10
● 2026-03-06 17:23:30
○ 2026-03-06 22:22:00
○ 2026-03-08 07:26:28
● 2026-03-08 09:00:00
○ 2026-03-08 09:32:24
○ 2026-03-09 11:51:58
● 2026-03-09 15:05:16
○ 2026-03-09 16:05:42
○ 2026-03-10 09:30:22
● 2026-03-10 21:53:42
● 2026-03-11 02:59:36
○ 2026-03-11 13:22:00
○ 2026-03-12 06:14:58
● 2026-03-12 07:18:54
○ 2026-03-13 03:45:40
○ 2026-03-17 15:57:24
● 2026-03-18 03:43:40
○ 2026-03-18 08:08:46
● 2026-03-18 14:59:24
○ 2026-03-18 21:14:08
○ 2026-03-20 03:43:32
● 2026-03-20 10:48:38
○ 2026-03-20 23:28:46
○ 2026-03-22 02:59:38
● 2026-03-22 04:13:12
● 2026-03-22 05:32:12
○ 2026-03-22 09:00:36
○ 2026-03-22 22:09:22
● 2026-03-23 02:26:38
○ 2026-03-23 03:42:02
○ 2026-03-24 20:01:00
● 2026-03-24 22:16:08
○ 2026-03-25 11:08:40
○ 2026-03-27 22:30:34
● 2026-03-28 08:46:16
○ 2026-03-28 12:29:58
○ 2026-03-29 08:33:14
● 2026-03-29 17:54:28
○ 2026-03-29 19:48:36
○ 2026-04-01 19:51:48
● 2026-04-02 17:28:18
○ 2026-04-02 18:13:04
○ 2026-04-03 02:42:22
● 2026-04-03 04:13:42
○ 2026-04-03 18:10:06
○ 2026-04-04 00:45:52
● 2026-04-04 05:56:14
● 2026-04-04 05:56:16

○A66.33.60.1942026-02-19 → 2026-03-26 · 47 obs

● 2026-02-19 08:15:54
● 2026-02-20 01:23:26
○ 2026-02-20 02:48:38
○ 2026-02-20 03:46:36
● 2026-02-21 02:42:24
○ 2026-02-21 16:05:28
○ 2026-02-22 02:41:38
● 2026-02-22 20:51:10
○ 2026-02-23 09:52:48
○ 2026-02-23 20:35:14
● 2026-02-23 21:23:48
○ 2026-02-24 02:46:32
○ 2026-03-03 02:43:56
● 2026-03-03 03:58:28
● 2026-03-03 05:28:54
○ 2026-03-03 08:50:50
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● 2026-03-06 04:03:42
○ 2026-03-06 08:58:12
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● 2026-03-07 01:17:18
○ 2026-03-07 02:16:54
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● 2026-03-07 23:30:56
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● 2026-03-08 02:43:58
○ 2026-03-08 04:03:12
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● 2026-03-09 16:05:42
● 2026-03-09 23:17:30
○ 2026-03-10 02:11:08
○ 2026-03-12 04:29:54
● 2026-03-12 06:14:58
○ 2026-03-12 07:18:54
○ 2026-03-15 21:09:38
● 2026-03-16 03:16:26
○ 2026-03-16 05:48:28
○ 2026-03-17 11:54:34
● 2026-03-17 15:57:24
○ 2026-03-18 03:43:40
○ 2026-03-21 03:43:24
● 2026-03-21 20:39:04
○ 2026-03-22 02:59:38
○ 2026-03-26 08:57:52
● 2026-03-26 14:58:46
○ 2026-03-26 23:14:54
○ 2026-04-04 05:56:16

●A66.33.60.342026-02-21 → 2026-04-04 · 65 obs

○ 2026-02-20 03:46:36
● 2026-02-21 02:42:24
○ 2026-02-21 16:05:28
○ 2026-02-23 09:52:48
● 2026-02-23 15:12:34
○ 2026-02-23 16:14:36
○ 2026-02-23 21:23:48
● 2026-02-24 02:46:32
○ 2026-02-24 03:46:04
○ 2026-03-02 08:50:00
● 2026-03-02 09:35:02
○ 2026-03-02 11:22:52
○ 2026-03-07 13:05:00
● 2026-03-07 14:22:56
○ 2026-03-07 15:52:38
● 2026-03-07 17:28:08
● 2026-03-07 18:06:00
○ 2026-03-07 21:20:16
○ 2026-03-08 09:00:00
● 2026-03-08 09:32:24
○ 2026-03-08 10:32:40
○ 2026-03-10 08:33:32
● 2026-03-10 09:30:22
○ 2026-03-10 21:53:42
● 2026-03-11 02:59:36
● 2026-03-11 13:22:00
○ 2026-03-11 17:58:20
○ 2026-03-14 16:00:20
● 2026-03-14 16:35:36
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● 2026-03-14 19:52:32
○ 2026-03-14 20:38:34
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● 2026-03-15 04:46:28
○ 2026-03-15 06:47:22
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● 2026-03-16 20:32:32
● 2026-03-17 03:32:50
○ 2026-03-17 05:36:16
○ 2026-03-19 03:47:32
● 2026-03-19 13:25:44
○ 2026-03-20 03:43:32
○ 2026-03-20 23:28:46
● 2026-03-21 03:02:38
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● 2026-03-23 05:45:38
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● 2026-03-24 20:01:00
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● 2026-03-25 11:08:40
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● 2026-03-30 02:03:40
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● 2026-03-31 12:04:30
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○ 2026-04-02 18:47:40
● 2026-04-03 02:42:22
○ 2026-04-03 04:13:42
○ 2026-04-04 00:45:52
● 2026-04-04 05:56:14
● 2026-04-04 05:56:16

○A66.33.60.352026-02-20 → 2026-04-02 · 66 obs

○ 2026-02-20 02:48:38
● 2026-02-20 03:46:36
○ 2026-02-21 02:42:24
○ 2026-02-22 20:51:10
● 2026-02-23 09:52:48
○ 2026-02-23 15:12:34
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● 2026-02-24 03:46:04
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● 2026-02-27 09:21:46
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● 2026-03-01 07:36:24
● 2026-03-01 14:22:56
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● 2026-03-03 01:54:00
○ 2026-03-03 02:43:56
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● 2026-03-04 03:30:00
● 2026-03-04 07:52:42
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● 2026-03-04 14:46:34
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● 2026-03-06 17:23:30
● 2026-03-06 22:22:00
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● 2026-03-07 15:52:38
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● 2026-03-08 04:03:12
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● 2026-03-08 07:26:28
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● 2026-03-08 20:50:56
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● 2026-03-09 09:13:14
● 2026-03-09 11:51:58
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● 2026-03-12 06:14:58
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● 2026-03-15 02:45:18
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● 2026-03-21 03:43:24
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● 2026-03-25 11:08:40
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● 2026-03-27 02:58:58
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● 2026-03-30 21:09:10
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● 2026-04-02 18:13:04
○ 2026-04-02 18:47:40
○ 2026-04-04 05:56:16

○A66.33.60.662026-02-24 → 2026-03-31 · 43 obs

○ 2026-02-19 08:15:54
○ 2026-02-24 03:46:04
● 2026-02-24 04:47:40
○ 2026-02-24 23:29:00
○ 2026-02-25 03:00:16
● 2026-02-25 05:29:10
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● 2026-03-03 05:28:54
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● 2026-03-07 13:05:00
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● 2026-03-08 10:32:40
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● 2026-03-09 07:06:32
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● 2026-03-10 02:11:08
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● 2026-03-16 05:48:28
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● 2026-03-22 22:09:22
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● 2026-03-29 19:48:36
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○ 2026-03-31 12:04:30
● 2026-03-31 12:43:38
○ 2026-04-01 03:29:34
○ 2026-04-04 05:56:16

○A66.33.60.672026-02-22 → 2026-04-04 · 60 obs

○ 2026-02-21 16:05:28
● 2026-02-22 02:41:38
○ 2026-02-22 20:51:10
○ 2026-02-23 16:14:36
● 2026-02-23 20:35:14
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● 2026-03-02 19:03:54
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● 2026-03-22 02:59:38
○ 2026-03-22 04:13:12
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○ 2026-04-04 05:56:14
○ 2026-04-04 05:56:16

○A76.76.21.1232026-02-23 → 2026-04-02 · 64 obs

○ 2026-02-23 09:52:48
● 2026-02-23 15:12:34
○ 2026-02-23 16:14:36
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○ 2026-04-04 05:56:16

○A76.76.21.1422026-02-19 → 2026-04-03 · 60 obs

● 2026-02-19 08:15:54
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○A76.76.21.1642026-02-23 → 2026-03-31 · 44 obs

○ 2026-02-23 16:14:36
● 2026-02-23 20:35:14
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○A76.76.21.222026-03-03 → 2026-04-03 · 34 obs

○ 2026-03-02 22:07:46
● 2026-03-03 01:54:00
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○ 2026-04-03 18:10:06
○ 2026-04-04 05:56:16

○A76.76.21.2412026-02-28 → 2026-03-30 · 37 obs

○ 2026-02-27 21:00:50
● 2026-02-28 14:53:44
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○ 2026-04-04 05:56:16

○A76.76.21.612026-02-20 → 2026-04-01 · 50 obs

○ 2026-02-20 02:48:38
● 2026-02-20 03:46:36
○ 2026-02-21 02:42:24
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● 2026-02-23 09:52:48
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○A76.76.21.932026-02-25 → 2026-03-30 · 80 obs

○ 2026-02-19 08:15:54
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● 2026-02-25 01:49:10
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○A76.76.21.982026-02-20 → 2026-03-31 · 51 obs

○ 2026-02-20 01:23:26
● 2026-02-20 02:48:38
○ 2026-02-20 03:46:36
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● 2026-03-02 11:22:52
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● 2026-03-29 08:33:14
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● 2026-03-31 12:43:38
○ 2026-04-01 03:29:34
○ 2026-04-04 05:56:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
simple-fit.app	ns2.vercel-dns.com, ns1.vercel-dns.com	-

✅ Authoritative Response

Server:198.51.44.13

NS records: ns2.vercel-dns.com, ns1.vercel-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simple-fit.app (unsigned zone)

⏱️ Timing

Total: 2930ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`66.33.60.34, 76.76.21.98`
NS	2	`ns1.vercel-dns.com, ns2.vercel-dns.com`
MX	2	`mx1.forwardemail.net (pri: 10), mx2.forwardemail.net (pri: 10)`
TXT	1	`forward-email-site-verification=ba2A44zd`
SOA	1	`ns1.vercel-dns.com hostmaster.nsone.net`

Analysis

IP Addresses

simple-fit.app has two IP numbers: 66.33.60.34 and 66.33.60.193.

Name Servers

simple-fit.app's delegation uses two name servers: ns1.vercel-dns.com and ns2.vercel-dns.com.

simple-fit.app uses the same name server setup as other domains, such as syeehyn.com, westparkselfstorage.co.nz, nnaji.dev, mariosupercoin.com and quaddro.com.

simple-fit.app at least partially shares name servers with other domains, including jackellis.me, svelteit.dev, sirvar.com, chilipepper.io and gearblast.com.

These name servers are commonly used with f.zeit-world.net, a.zeit-world.co.uk, d.zeit-world.com, c.zeit-world.org, b.zeit-world.co.uk and e.zeit-world.com.

Host names with two IPs:

ns1.vercel-dns.com points to 2620:4d:4000:6259:7:13:0:1 and 198.51.44.13

ns2.vercel-dns.com points to 2a00:edc0:6259:7:13::2 and 198.51.45.13

Mail Servers

simple-fit.app is served by two mail servers mx1.forwardemail.net and mx2.forwardemail.net.

simple-fit.app shares the same mail server setup as other domains, for instance ashafrance.org, 20x25x5airfilters.com, withinfocus.com, engberg.de and karmelak.pl.

Host names with four IP numbers:

mx1.forwardemail.net points to 2604:a880:2:d0::306:1, 2a02:6ea0:d71e::2, 121.127.44.56 and 138.197.213.185; mx2.forwardemail.net points to 2604:a880:400:d1::cd:9001, 2a02:6ea0:d71e::1, 104.248.224.170 and 121.127.44.59

simple-fit.app - robtex.com

simple-fit.app

app

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`simple-fit.app`

`app`