`mostpdf.co`

DNSSEC	⚠️ Not signed
A	54.230.201.3^{🇺🇸 Amazon54.224.0.0/12 NA prefix}
		PTR	`server-54-230-201-3.lhr82.r.cloudfront.net`
A	54.230.201.9^{🇺🇸 Amazon54.224.0.0/12 NA prefix}
A	54.230.201.75^{🇺🇸 Amazon54.224.0.0/12 NA prefix}
A	54.230.201.111^{🇺🇸 Amazon54.224.0.0/12 NA prefix}
NS	`ns-798.awsdns-35.net` ⭐
		A	2600:9000:5303:1e00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-798.awsdns-35.net`
		A	205.251.195.30^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-798.awsdns-35.net`
NS	`ns-1266.awsdns-30.org`
		A	2600:9000:5304:f200::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1266.awsdns-30.org`
		A	205.251.196.242^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1266.awsdns-30.org`
NS	`ns-2026.awsdns-61.co.uk`
		A	2600:9000:5307:ea00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2026.awsdns-61.co.uk`
		A	205.251.199.234^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2026.awsdns-61.co.uk`
NS	`ns-7.awsdns-00.com`
		A	2600:9000:5300:700::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-7.awsdns-00.com`
		A	205.251.192.7^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-7.awsdns-00.com`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn include:_spf.google.com include:mail....`
TXT	`verification-code-site-App_feishu=zMo6LH7JnYEEARWgCQpS`
SOA	`ns-798.awsdns-35.net`awsdns-hostmaster@amazon.com serial=1

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759641733

Same first word

mostpdf.co

Similar names

pmdsoft.com

tfpsmod.com

DNS History

35 records (11 active, 24 former)

●NSns-1266.awsdns-30.org2026-04-16 → 2026-04-24 · 2 obs

● 2026-04-16 19:07:56
● 2026-04-24 07:50:16

●NSns-2026.awsdns-61.co.uk2026-04-16 → 2026-04-24 · 2 obs

● 2026-04-16 19:07:56
● 2026-04-24 07:50:16

●NSns-7.awsdns-00.com2026-04-16 → 2026-04-24 · 2 obs

● 2026-04-16 19:07:56
● 2026-04-24 07:50:16

●NSns-798.awsdns-35.net2026-04-16 → 2026-04-24 · 2 obs

● 2026-04-16 19:07:56
● 2026-04-24 07:50:16

●MXmx1.feishu.cn2026-04-16 → 2026-04-24 · 2 obs

● 2026-04-16 19:07:56
● 2026-04-24 07:50:16

●MXmx2.feishu.cn2026-04-16 → 2026-04-24 · 2 obs

● 2026-04-16 19:07:56
● 2026-04-24 07:50:16

●MXmx3.feishu.cn2026-04-16 → 2026-04-24 · 2 obs

● 2026-04-16 19:07:56
● 2026-04-24 07:50:16

○A108.139.95.1082026-04-16 → 2026-04-16 · 3 obs

● 2026-04-16 19:07:56
○ 2026-04-18 14:48:56
○ 2026-04-24 07:50:16

○A108.139.95.1102026-04-16 → 2026-04-16 · 3 obs

● 2026-04-16 19:07:56
○ 2026-04-18 14:48:56
○ 2026-04-24 07:50:16

○A108.139.95.242026-04-16 → 2026-04-16 · 3 obs

● 2026-04-16 19:07:56
○ 2026-04-18 14:48:56
○ 2026-04-24 07:50:16

○A108.139.95.52026-04-16 → 2026-04-16 · 3 obs

● 2026-04-16 19:07:56
○ 2026-04-18 14:48:56
○ 2026-04-24 07:50:16

○A108.158.137.192026-04-22 → 2026-04-23 · 7 obs

○ 2026-04-22 08:11:58
● 2026-04-22 11:05:40
○ 2026-04-22 23:21:04
○ 2026-04-23 01:27:32
● 2026-04-23 04:28:40
○ 2026-04-23 07:51:46
○ 2026-04-24 07:50:16

○A108.158.137.522026-04-22 → 2026-04-23 · 7 obs

○ 2026-04-22 08:11:58
● 2026-04-22 11:05:40
○ 2026-04-22 23:21:04
○ 2026-04-23 01:27:32
● 2026-04-23 04:28:40
○ 2026-04-23 07:51:46
○ 2026-04-24 07:50:16

○A108.158.137.562026-04-22 → 2026-04-23 · 7 obs

○ 2026-04-22 08:11:58
● 2026-04-22 11:05:40
○ 2026-04-22 23:21:04
○ 2026-04-23 01:27:32
● 2026-04-23 04:28:40
○ 2026-04-23 07:51:46
○ 2026-04-24 07:50:16

○A108.158.137.732026-04-22 → 2026-04-23 · 7 obs

○ 2026-04-22 08:11:58
● 2026-04-22 11:05:40
○ 2026-04-22 23:21:04
○ 2026-04-23 01:27:32
● 2026-04-23 04:28:40
○ 2026-04-23 07:51:46
○ 2026-04-24 07:50:16

○A13.225.107.182026-04-21 → 2026-04-23 · 10 obs

○ 2026-04-21 01:20:36
● 2026-04-21 04:01:42
○ 2026-04-21 08:19:20
○ 2026-04-22 01:16:58
● 2026-04-22 03:30:20
○ 2026-04-22 04:28:24
○ 2026-04-23 18:52:50
● 2026-04-23 20:10:00
○ 2026-04-23 20:46:04
○ 2026-04-24 07:50:16

○A13.225.107.222026-04-21 → 2026-04-23 · 10 obs

○A13.225.107.342026-04-21 → 2026-04-23 · 10 obs

○A13.225.107.892026-04-21 → 2026-04-23 · 10 obs

○A13.33.109.1192026-04-21 → 2026-04-24 · 12 obs

○ 2026-04-21 04:01:42
● 2026-04-21 08:19:20
● 2026-04-21 15:48:58
○ 2026-04-21 18:21:52
○ 2026-04-22 11:05:40
● 2026-04-22 23:21:04
● 2026-04-23 00:34:44
○ 2026-04-23 01:27:32
○ 2026-04-24 01:49:00
● 2026-04-24 02:32:44
○ 2026-04-24 03:56:26
○ 2026-04-24 07:50:16

○A13.33.109.1212026-04-21 → 2026-04-24 · 12 obs

○A13.33.109.402026-04-21 → 2026-04-24 · 12 obs

○A13.33.109.612026-04-21 → 2026-04-24 · 12 obs

○A13.33.153.272026-04-18 → 2026-04-22 · 17 obs

○ 2026-04-16 19:07:56
● 2026-04-18 14:48:56
○ 2026-04-19 01:19:14
● 2026-04-19 09:30:14
● 2026-04-19 11:52:24
○ 2026-04-19 12:46:56
● 2026-04-19 14:15:04
● 2026-04-21 01:20:36
○ 2026-04-21 04:01:42
○ 2026-04-21 15:48:58
● 2026-04-21 18:21:52
● 2026-04-22 01:16:58
○ 2026-04-22 03:30:20
● 2026-04-22 04:28:24
● 2026-04-22 08:11:58
○ 2026-04-22 11:05:40
○ 2026-04-24 07:50:16

○A13.33.153.302026-04-18 → 2026-04-22 · 17 obs

○A13.33.153.42026-04-18 → 2026-04-22 · 17 obs

○A13.33.153.612026-04-18 → 2026-04-22 · 17 obs

○A18.160.46.1002026-04-19 → 2026-04-19 · 7 obs

○ 2026-04-18 14:48:56
● 2026-04-19 01:19:14
○ 2026-04-19 09:30:14
○ 2026-04-19 11:52:24
● 2026-04-19 12:46:56
○ 2026-04-19 14:15:04
○ 2026-04-24 07:50:16

○A18.160.46.832026-04-19 → 2026-04-19 · 7 obs

○ 2026-04-18 14:48:56
● 2026-04-19 01:19:14
○ 2026-04-19 09:30:14
○ 2026-04-19 11:52:24
● 2026-04-19 12:46:56
○ 2026-04-19 14:15:04
○ 2026-04-24 07:50:16

○A18.160.46.892026-04-19 → 2026-04-19 · 7 obs

○ 2026-04-18 14:48:56
● 2026-04-19 01:19:14
○ 2026-04-19 09:30:14
○ 2026-04-19 11:52:24
● 2026-04-19 12:46:56
○ 2026-04-19 14:15:04
○ 2026-04-24 07:50:16

○A18.160.46.982026-04-19 → 2026-04-19 · 7 obs

○ 2026-04-18 14:48:56
● 2026-04-19 01:19:14
○ 2026-04-19 09:30:14
○ 2026-04-19 11:52:24
● 2026-04-19 12:46:56
○ 2026-04-19 14:15:04
○ 2026-04-24 07:50:16

●A54.230.201.1112026-04-23 → 2026-04-24 · 11 obs

○ 2026-04-23 00:34:44
● 2026-04-23 01:27:32
○ 2026-04-23 04:28:40
● 2026-04-23 07:51:46
● 2026-04-23 18:52:50
○ 2026-04-23 20:10:00
● 2026-04-23 20:46:04
● 2026-04-24 01:49:00
○ 2026-04-24 02:32:44
● 2026-04-24 03:56:26
● 2026-04-24 07:50:16

●A54.230.201.32026-04-23 → 2026-04-24 · 11 obs

●A54.230.201.752026-04-23 → 2026-04-24 · 11 obs

●A54.230.201.92026-04-23 → 2026-04-24 · 11 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
mostpdf.co	ns-2026.awsdns-61.co.uk, ns-798.awsdns-35.net, ns-1266.awsdns-30.org, ns-7.awsdns-00.com	-

✅ Authoritative Response

Server:205.251.195.30

NS records: ns-2026.awsdns-61.co.uk, ns-798.awsdns-35.net, ns-1266.awsdns-30.org, ns-7.awsdns-00.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mostpdf.co (unsigned zone)

⏱️ Timing

Total: 795ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.33.109.61, 13.33.109.119...`
NS	4	`ns-1266.awsdns-30.org, ns-2026.awsdns-61.co.uk...`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn , verification-code-site-App_feishu=zMo6LH`
SOA	1	`ns-798.awsdns-35.net awsdns-hostmaster.a`

Analysis

IP Addresses

mostpdf.co resolves to four IP numbers: 54.230.201.3, 54.230.201.9, 54.230.201.75 and 54.230.201.111.

Other host names such as d3jrukt7nqiulx.cloudfront.net, 388win8.com, ykhbiaf1z7.execute-api.us-east-2.amazonaws.com, www.plus-designing.jp and assets-production.packagecloud.io share IPs with mostpdf.co.

Name Servers

mostpdf.co is delegated to four name servers: ns-7.awsdns-00.com, ns-798.awsdns-35.net, ns-1266.awsdns-30.org and ns-2026.awsdns-61.co.uk.

mostpdf.co at least partially shares name servers with other domains, for instance bionutrientsag.com, dwh.crowdblink.com, billize.ai, raywhitelandmarketingqld.com and iharacorp.jp.

Host names with two IP numbers: ns-7.awsdns-00.com points to 2600:9000:5300:700::1 and 205.251.192.7; ns-798.awsdns-35.net points to 2600:9000:5303:1e00::1 and 205.251.195.30; ns-1266.awsdns-30.org points to 2600:9000:5304:f200::1 and 205.251.196.242; ns-2026.awsdns-61.co.uk points to 2600:9000:5307:ea00::1 and 205.251.199.234.

Mail Servers

Three mail servers handle mostpdf.co: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

mostpdf.co shares at least partially some mail servers with other domains, including awehome.com, itoy.dev, bestacg.com, hlkchiller.com and ttcadvisory.com.