`preoponline.com`

DNSSEC	🔒 Signed (DS record present)
NS	`ns20.digicertdns.com` ⭐
		A	2600:1800:10::1:1f^{🇺🇸 Tiggee2600:1800:10::/48 DNS Made Easy anycast network}
			PTR	`ns20.digicertdns.com`
		A	208.94.148.223^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns20.digicertdns.com`
NS	`dns1.zaccodigitaltrustlabs.com`
		A	208.94.148.4^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns10.dnsmadeeasy.com`
NS	`dns2.zaccodigitaltrustlabs.net`
		A	208.80.126.4^{🇺🇸 Tiggee208.80.126.0/24 DNS Made Easy anycast network}
			PTR	`ns12.dnsmadeeasy.com`
NS	`dns3.zaccodigitaltrustlabs.se`
		A	208.80.125.4^{🇺🇸 Tiggee208.80.125.0/24 DNS Made Easy anycast network}
			PTR	`ns13.dnsmadeeasy.com`
NS	`dns4.zaccodigitaltrustlabs.se`
		A	208.80.127.4^{🇺🇸 Tiggee208.80.127.0/24 DNS Made Easy anycast network}
			PTR	`ns14.dnsmadeeasy.com`
NS	`ns1.zaccodns.com`
		A	2a01:3f1:452::53^{🇸🇪 NETNOD-IX2a01:3f1:400::/38 NDS NORDIC-B $Id: route6_2a01:3f1:0400::-38,v 1.1 2019/10/04 10:08:26 mem Exp $}
			PTR	`ns1.zaccodns.com`
		A	194.58.193.52^{🇸🇪 NETNOD-IX194.58.193.0/24 NDS D}
			PTR	`ns1.zaccodns.com`
NS	`ns2.zaccodns.se`
		A	2a01:3f0:400::52^{🇸🇪 NETNOD-IX2a01:3f0::/32 SE-NETNOD-20070709 $Id: route6:2a01:3f0::-32,v 1.2 2010-05-20 10:35:04 nico Exp $}
			PTR	`ns2.zaccodns.se`
		A	185.42.137.104^{🇸🇪 NETNOD-IX185.42.136.0/23 $Id: route_185.42.136.0-23,v 1.2 2018/05/21 12:06:41 mem Exp $}
			PTR	`ns2.zaccodns.se`
TXT	`v=spf1 ip4:194.68.98.13/32 ip4:192.36.244.12/32 ip4:192.36.244.69 -all`
SOA	`ns20.digicertdns.com`dns@digicertdns.com 2009-01-02 #39

`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=1774790597

Same first word

preoponline.com

preoponline.se

Similar names

opperonline.de

DNS History

12 records (7 active, 5 former)

●NSdns1.zaccodigitaltrustlabs.com2026-03-14 → 2026-03-29 · 3 obs

○ 2017-06-10 17:22:20
● 2026-03-14 01:44:54
● 2026-03-29 13:31:18

●NSdns2.zaccodigitaltrustlabs.net2026-03-14 → 2026-03-29 · 3 obs

○ 2017-06-10 17:22:20
● 2026-03-14 01:44:54
● 2026-03-29 13:31:18

●NSdns3.zaccodigitaltrustlabs.se2026-03-14 → 2026-03-29 · 3 obs

○ 2017-06-10 17:22:20
● 2026-03-14 01:44:54
● 2026-03-29 13:31:18

●NSdns4.zaccodigitaltrustlabs.se2026-03-14 → 2026-03-29 · 3 obs

○ 2017-06-10 17:22:20
● 2026-03-14 01:44:54
● 2026-03-29 13:31:18

○NSns-slave.ifm.liu.se2015-07-18 → 2017-06-10 · 4 obs

● 2015-07-18 07:15:50
● 2017-06-10 17:22:20
○ 2026-03-14 01:44:54
○ 2026-03-29 13:31:18

○NSns1.sectra.se2015-07-18 → 2017-06-10 · 4 obs

● 2015-07-18 07:15:50
● 2017-06-10 17:22:20
○ 2026-03-14 01:44:54
○ 2026-03-29 13:31:18

●NSns1.zaccodns.com2026-03-14 → 2026-03-29 · 3 obs

○ 2017-06-10 17:22:20
● 2026-03-14 01:44:54
● 2026-03-29 13:31:18

●NSns2.zaccodns.se2026-03-14 → 2026-03-29 · 3 obs

○ 2017-06-10 17:22:20
● 2026-03-14 01:44:54
● 2026-03-29 13:31:18

●NSns20.digicertdns.com2026-03-14 → 2026-03-29 · 3 obs

○ 2017-06-10 17:22:20
● 2026-03-14 01:44:54
● 2026-03-29 13:31:18

○MXamalthea.sectra.se2015-07-18 → 2017-06-10 · 4 obs

● 2015-07-18 07:15:50
● 2017-06-10 17:22:20
○ 2026-03-14 01:44:54
○ 2026-03-29 13:31:18

○MXcallisto.sectra.se2015-07-18 → 2017-06-10 · 4 obs

● 2015-07-18 07:15:50
● 2017-06-10 17:22:20
○ 2026-03-14 01:44:54
○ 2026-03-29 13:31:18

○A88.131.68.2042015-07-18 → 2017-06-10 · 4 obs

● 2015-07-18 07:15:50
● 2017-06-10 17:22:20
○ 2026-03-14 01:44:54
○ 2026-03-29 13:31:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
preoponline.com	ns1.zaccodns.com, ns2.zaccodns.se, dns1.zaccodigitaltrustlabs.com, dns2.zaccodigitaltrustlabs.net...	3 records

✅ Authoritative Response

Server:208.94.148.4

NS records: ns1.zaccodns.com, ns2.zaccodns.se, dns1.zaccodigitaltrustlabs.com, dns2.zaccodigitaltrustlabs.net, dns3.zaccodigitaltrustlabs.se, dns4.zaccodigitaltrustlabs.se

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 632ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	6	`dns1.zaccodigitaltrustlabs.com, dns2.zaccodigitaltrustlabs.net...`
TXT	1	`v=spf1 ip4:194.68.98.13/32 ip4:192.36.24`
SOA	1	`ns20.digicertdns.com dns.digicertdns.com`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.zaccodns.com, ns1.zaccodns.com, dns1.zaccodigitaltrustlabs.com)

Analysis

Name Servers

preoponline.com's zone is delegated to seven name servers: ns20.digicertdns.com, dns1.zaccodigitaltrustlabs.com, ns1.zaccodns.com, dns2.zaccodigitaltrustlabs.net, dns3.zaccodigitaltrustlabs.se, dns4.zaccodigitaltrustlabs.se and ns2.zaccodns.se.

preoponline.com at least partially shares name servers with other domains, for example mgbs.com.au, altiva.com, celdek.cn, emmanuellc.org and bf(0x706f726e).com.