previewdoc.com - dns.ninja

`previewdoc.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:9d52^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:dc7^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.199^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.157.82^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hassan.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hassan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c395^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hassan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2395^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hassan.ns.cloudflare.com`
		A	108.162.195.149^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hassan.ns.cloudflare.com`
		A	162.159.44.149^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hassan.ns.cloudflare.com`
		A	172.64.35.149^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hassan.ns.cloudflare.com`
NS	`katelyn.ns.cloudflare.com`
		A	2606:4700:50::a29f:26eb^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2eb^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`katelyn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22eb^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`katelyn.ns.cloudflare.com`
		A	108.162.194.235^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
		A	162.159.38.235^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
		A	172.64.34.235^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`katelyn.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁶²⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁹⁶⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.199, 172.67.157.82
		IPv6 hints	2606:4700:3033::ac43:9d52, 2606:4700:3036::6815:dc7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=123, name=cloudflare-ech.com
SOA	`hassan.ns.cloudflare.com`dns@cloudflare.com serial=2408361802

`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=1785694052

Same first word

previewdoc.com

Similar names

docpreview.com

DNS History

21 records (9 active, 12 former)

○NSdns103.ovh.net2015-05-06 → 2017-04-10 · 4 obs

● 2015-05-06 13:04:18
● 2017-04-10 09:47:48
○ 2026-07-27 14:47:46
○ 2026-08-02 18:30:30

●NShassan.ns.cloudflare.com2026-07-27 → 2026-08-02 · 3 obs

○ 2017-04-10 09:47:48
● 2026-07-27 14:47:46
● 2026-08-02 18:30:30

●NSkatelyn.ns.cloudflare.com2026-07-27 → 2026-08-02 · 3 obs

○ 2017-04-10 09:47:48
● 2026-07-27 14:47:46
● 2026-08-02 18:30:30

○NSns103.ovh.net2015-05-06 → 2017-04-10 · 4 obs

● 2015-05-06 13:04:18
● 2017-04-10 09:47:48
○ 2026-07-27 14:47:46
○ 2026-08-02 18:30:30

○MXmx1.ovh.net2015-05-06 → 2017-04-10 · 4 obs

● 2015-05-06 13:04:18
● 2017-04-10 09:47:48
○ 2026-07-27 14:47:46
○ 2026-08-02 18:30:30

○MXmx2.ovh.net2015-05-06 → 2017-04-10 · 4 obs

● 2015-05-06 13:04:18
● 2017-04-10 09:47:48
○ 2026-07-27 14:47:46
○ 2026-08-02 18:30:30

○MXmxb.ovh.net2015-05-06 → 2017-04-10 · 4 obs

● 2015-05-06 13:04:18
● 2017-04-10 09:47:48
○ 2026-07-27 14:47:46
○ 2026-08-02 18:30:30

●MXroute1.mx.cloudflare.net2026-07-27 → 2026-08-02 · 3 obs

○ 2017-04-10 09:47:48
● 2026-07-27 14:47:46
● 2026-08-02 18:30:30

●MXroute2.mx.cloudflare.net2026-07-27 → 2026-08-02 · 3 obs

○ 2017-04-10 09:47:48
● 2026-07-27 14:47:46
● 2026-08-02 18:30:30

●MXroute3.mx.cloudflare.net2026-07-27 → 2026-08-02 · 3 obs

○ 2017-04-10 09:47:48
● 2026-07-27 14:47:46
● 2026-08-02 18:30:30

●A104.21.13.1992026-08-02 → 2026-08-02 · 2 obs

○ 2026-07-27 15:21:22
● 2026-08-02 18:30:30

●A172.67.157.822026-08-02 → 2026-08-02 · 2 obs

○ 2026-07-27 15:21:22
● 2026-08-02 18:30:30

○A188.114.96.02026-07-27 → 2026-07-27 · 3 obs

○ 2017-04-10 09:47:48
● 2026-07-27 14:47:46
○ 2026-08-02 18:30:30

○A188.114.97.02026-07-27 → 2026-07-27 · 3 obs

○ 2017-04-10 09:47:48
● 2026-07-27 14:47:46
○ 2026-08-02 18:30:30

●A2606:4700:3033::ac43:9d522026-08-02 → 2026-08-02 · 2 obs

○ 2026-07-27 15:21:22
● 2026-08-02 18:30:30

●A2606:4700:3036::6815:dc72026-08-02 → 2026-08-02 · 2 obs

○ 2026-07-27 15:21:22
● 2026-08-02 18:30:30

○A2a06:98c1:3120::2026-07-27 → 2026-07-27 · 3 obs

○ 2026-07-27 14:47:46
● 2026-07-27 15:21:22
○ 2026-08-02 18:30:30

○A2a06:98c1:3120::42026-07-27 → 2026-07-27 · 4 obs

○ 2017-04-10 09:47:48
● 2026-07-27 14:47:46
○ 2026-07-27 15:21:22
○ 2026-08-02 18:30:30

○A2a06:98c1:3121::2026-07-27 → 2026-07-27 · 3 obs

○ 2026-07-27 14:47:46
● 2026-07-27 15:21:22
○ 2026-08-02 18:30:30

○A2a06:98c1:3121::42026-07-27 → 2026-07-27 · 4 obs

○ 2017-04-10 09:47:48
● 2026-07-27 14:47:46
○ 2026-07-27 15:21:22
○ 2026-08-02 18:30:30

○A37.59.55.1922015-05-06 → 2016-09-17 · 4 obs

● 2015-05-06 13:04:18
● 2016-09-17 03:58:32
○ 2017-04-10 09:47:48
○ 2026-08-02 18:30:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net...	-
previewdoc.com	katelyn.ns.cloudflare.com, hassan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.149

NS records: katelyn.ns.cloudflare.com, hassan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for previewdoc.com (unsigned zone)

⏱️ Timing

Total: 115ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.13.199, 172.67.157.82`
AAAA	2	`2606:4700:3036::6815:dc7, 2606:4700:3033::ac43:9d52`
NS	2	`hassan.ns.cloudflare.com, katelyn.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 32), route3.mx.cloudflare.net (pri: 62)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hassan.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (katelyn.ns.cloudflare.com, katelyn.ns.cloudflare.com, katelyn.ns.cloudflare.com...)

Analysis

IP Addresses

previewdoc.com directs to four IP numbers, which are 104.21.13.199, 172.67.157.82, 2606:4700:3033::ac43:9d52 and 2606:4700:3036::6815:dc7.

eulitec.com, refrigeracionperri.com.ar, tejeamberpor.beer and two other host names share IP numbers with previewdoc.com.

Name Servers

DNS delegation for previewdoc.com points to two name servers: hassan.ns.cloudflare.com and katelyn.ns.cloudflare.com.

previewdoc.com uses the same name servers as several other domains — among them ledgerholm.sbs, houston-house.com, arcinstall.com and two more.

The name servers of previewdoc.com overlap at least partially with those of other domains — among them uwphotographyguide.com, 28890.cn, chicas-putas.com and two more.

These name servers commonly appear in combination with the name servers alfred.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

hassan.ns.cloudflare.com has IP addresses 108.162.195.149, 162.159.44.149 and 172.64.35.149, plus 3 other.

katelyn.ns.cloudflare.com has IP addresses 108.162.194.235, 162.159.38.235 and 172.64.34.235, plus 3 other.

Mail Servers

Mail for previewdoc.com is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

previewdoc.com has at least partial mail server overlap with other domains such as bradfordembedded.com, smartwatchranking.pl, mizushima.ne.jp and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net has IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, plus 3 other.

route2.mx.cloudflare.net has IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, plus 3 other.

route3.mx.cloudflare.net has IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, plus 3 other.