`opsef.com`

DNSSEC	⚠️ Not signed
NS	`ns1.dnsowl.com` ⭐
		A	2400:cb00:2049:1::a29f:1a88^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1bad^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.136^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.173^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.dnsowl.com`
		A	2400:cb00:2049:1::a29f:1a31^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b82^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.49^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.130^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.dnsowl.com`
		A	2400:cb00:2049:1::a29f:1aea^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b62^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.234^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.98^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx4.arrivalserver.com` ⭐
		A	5.161.181.213^{🇺🇸 HETZNER-CLOUD2-AS5.161.181.0/24}
			PTR	`mx4.arrivalserver.com`
MX	`srv4.arrivalserver.net` ⭐
		A	128.140.75.91^{🇩🇪 Hetzner128.140.0.0/17 HETZNER-DC}
			PTR	`srv4.arrivalserver.net`
TXT	`v=spf1 +a +mx -all`
SOA	`ns1.dnsowl.com`hostmaster@dnsowl.com serial=1779609232

`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=1785949394

⚠️ On DNS blocklist: tif

Same first word

opsef.com

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DNS History

20 records (5 active, 15 former)

●NSns1.dnsowl.com2020-03-03 → 2026-08-05 · 5 obs

○ 2015-11-16 01:09:38
● 2020-03-03 08:12:28
○ 2026-05-13 02:28:34
● 2026-07-26 16:53:40
● 2026-08-05 17:07:16

○NSns1.ns306.parklogic.com2026-05-13 → 2026-05-13 · 4 obs

○ 2020-03-03 08:12:28
● 2026-05-13 02:28:34
○ 2026-07-26 16:53:40
○ 2026-08-05 17:07:16

○NSns1.parklogic.com2026-05-13 → 2026-05-13 · 4 obs

○ 2020-03-03 08:12:28
● 2026-05-13 02:28:34
○ 2026-07-26 16:53:40
○ 2026-08-05 17:07:16

●NSns2.dnsowl.com2020-03-03 → 2026-08-05 · 5 obs

○ 2015-11-16 01:09:38
● 2020-03-03 08:12:28
○ 2026-05-13 02:28:34
● 2026-07-26 16:53:40
● 2026-08-05 17:07:16

○NSns2.ns306.parklogic.com2026-05-13 → 2026-05-13 · 4 obs

○ 2020-03-03 08:12:28
● 2026-05-13 02:28:34
○ 2026-07-26 16:53:40
○ 2026-08-05 17:07:16

●NSns3.dnsowl.com2020-03-03 → 2026-08-05 · 5 obs

○ 2015-11-16 01:09:38
● 2020-03-03 08:12:28
○ 2026-05-13 02:28:34
● 2026-07-26 16:53:40
● 2026-08-05 17:07:16

○NSns63.domaincontrol.com2015-07-16 → 2015-07-16 · 3 obs

● 2015-07-16 08:33:58
○ 2015-11-16 01:09:38
○ 2026-08-05 17:07:16

○NSns64.domaincontrol.com2015-07-16 → 2015-07-16 · 3 obs

● 2015-07-16 08:33:58
○ 2015-11-16 01:09:38
○ 2026-08-05 17:07:16

○MXmail.eye-mail.net2026-05-13 → 2026-05-13 · 4 obs

○ 2015-11-16 01:09:38
● 2026-05-13 02:28:34
○ 2026-07-26 16:53:40
○ 2026-08-05 17:07:16

○MXmailstore1.secureserver.net2015-07-16 → 2015-07-16 · 3 obs

● 2015-07-16 08:33:58
○ 2015-11-16 01:09:38
○ 2026-08-05 17:07:16

●MXmx4.arrivalserver.com2026-07-26 → 2026-08-05 · 3 obs

○ 2026-05-13 02:28:34
● 2026-07-26 16:53:40
● 2026-08-05 17:07:16

○MXsmtp.secureserver.net2015-07-16 → 2015-07-16 · 3 obs

● 2015-07-16 08:33:58
○ 2015-11-16 01:09:38
○ 2026-08-05 17:07:16

●MXsrv4.arrivalserver.net2026-07-26 → 2026-08-05 · 3 obs

○ 2026-05-13 02:28:34
● 2026-07-26 16:53:40
● 2026-08-05 17:07:16

○A107.161.23.2042020-03-03 → 2020-03-03 · 4 obs

○ 2015-11-16 01:09:38
● 2020-03-03 08:12:28
○ 2026-05-13 02:28:34
○ 2026-08-05 17:07:16

○A172.233.221.2142026-05-13 → 2026-05-13 · 4 obs

○ 2020-03-03 08:12:28
● 2026-05-13 02:28:34
○ 2026-07-26 16:53:40
○ 2026-08-05 17:07:16

○A172.234.199.152026-05-13 → 2026-05-13 · 4 obs

○ 2020-03-03 08:12:28
● 2026-05-13 02:28:34
○ 2026-07-26 16:53:40
○ 2026-08-05 17:07:16

○A172.237.145.272026-05-13 → 2026-05-13 · 4 obs

○ 2020-03-03 08:12:28
● 2026-05-13 02:28:34
○ 2026-07-26 16:53:40
○ 2026-08-05 17:07:16

○A192.161.187.2002020-03-03 → 2020-03-03 · 4 obs

○ 2015-11-16 01:09:38
● 2020-03-03 08:12:28
○ 2026-05-13 02:28:34
○ 2026-08-05 17:07:16

○A199.34.228.552015-07-16 → 2015-07-16 · 3 obs

● 2015-07-16 08:33:58
○ 2015-11-16 01:09:38
○ 2026-08-05 17:07:16

○A209.141.38.712020-03-03 → 2020-03-03 · 4 obs

○ 2015-11-16 01:09:38
● 2020-03-03 08:12:28
○ 2026-05-13 02:28:34
○ 2026-08-05 17:07:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
opsef.com	ns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com	12 records

✅ Authoritative Response

Server:162.159.26.234

NS records: ns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opsef.com (unsigned zone)

⏱️ Timing

Total: 377ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns1.dnsowl.com, ns2.dnsowl.com...`
MX	2	`mx4.arrivalserver.com (pri: 0), srv4.arrivalserver.net (pri: 0)`
TXT	1	`v=spf1 +a +mx -all`
SOA	1	`ns1.dnsowl.com hostmaster.dnsowl.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns1.dnsowl.com, ns1.dnsowl.com, ns1.dnsowl.com...)

Analysis

Name Servers

opsef.com is delegated to three name servers: ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com.

opsef.com has at least partial name server overlap with other domains, such as masa128.net, joycasino-ykk.top, zephalispartner.sbs and two others.

Each of the hostnames ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com directs to four IP numbers. ns1.dnsowl.com has IP addresses 162.159.26.136, 162.159.27.173, 2400:cb00:2049:1::a29f:1a88 and 2400:cb00:2049:1::a29f:1bad. ns2.dnsowl.com has IP addresses 162.159.26.49, 162.159.27.130, 2400:cb00:2049:1::a29f:1a31 and 2400:cb00:2049:1::a29f:1b82. ns3.dnsowl.com has IP addresses 162.159.26.234, 162.159.27.98, 2400:cb00:2049:1::a29f:1aea and 2400:cb00:2049:1::a29f:1b62.

Mail Servers

Mail for opsef.com is handled by two mail servers — mx4.arrivalserver.com and srv4.arrivalserver.net.

opsef.com uses an identical mail server configuration to several other domains — among them gifto12.com, shenika.top, mail.sdgmaipop.com and two more.

opsef.com has at least partial mail server overlap with other domains such as ns1.amnettgu.com, ns2.amnettgu.com, www.007gmail.com and two more.

mx4.arrivalserver.com directs to 5.161.181.213 and srv4.arrivalserver.net directs to 128.140.75.91; each host name points to exactly one IP number.

opsef.com - robtex.com

opsef.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

Mail Servers

`opsef.com`

`com`