`concretetests.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns3.afternic.com` ⭐
		A	97.74.98.65^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns3.afternic.com`
NS	`ns4.afternic.com`
		A	173.201.66.65^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns4.namefind.com`
TXT	`v=spf1 -all`
SOA	`ns3.afternic.com`dns@jomax.net 2025-10-01 #0

`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=1784572472

Previously MX for

concretetests.com

Same first word

concretetests.com

DNS History

8 records (4 active, 4 former)

○NScloud1.npspeed.com2020-02-13 → 2020-02-13 · 3 obs

● 2020-02-13 04:32:20
○ 2026-06-28 22:40:40
○ 2026-07-20 19:04:40

○NScloud2.npspeed.com2020-02-13 → 2020-02-13 · 3 obs

● 2020-02-13 04:32:20
○ 2026-06-28 22:40:40
○ 2026-07-20 19:04:40

●NSns3.afternic.com2026-06-28 → 2026-07-20 · 3 obs

○ 2020-02-13 04:32:20
● 2026-06-28 22:40:40
● 2026-07-20 19:04:40

●NSns4.afternic.com2026-06-28 → 2026-07-20 · 3 obs

○ 2020-02-13 04:32:20
● 2026-06-28 22:40:40
● 2026-07-20 19:04:40

○MXconcretetests.com2020-02-13 → 2020-02-13 · 3 obs

● 2020-02-13 04:32:20
○ 2026-06-28 22:40:40
○ 2026-07-20 19:04:40

○A13.235.129.862020-02-13 → 2020-02-13 · 3 obs

● 2020-02-13 04:32:20
○ 2026-06-28 22:40:40
○ 2026-07-20 19:04:40

●A13.248.169.482026-06-28 → 2026-07-20 · 3 obs

○ 2020-02-13 04:32:20
● 2026-06-28 22:40:40
● 2026-07-20 19:04:40

●A76.223.54.1462026-06-28 → 2026-07-20 · 3 obs

○ 2020-02-13 04:32:20
● 2026-06-28 22:40:40
● 2026-07-20 19:04:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
concretetests.com	ns3.afternic.com, ns4.afternic.com	2 records

✅ Authoritative Response

Server:97.74.98.65

NS records: ns3.afternic.com, ns4.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for concretetests.com (unsigned zone)

⏱️ Timing

Total: 796ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns3.afternic.com, ns4.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns3.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)

Analysis

IP Addresses

concretetests.com has two IP addresses: 13.248.169.48 and 76.223.54.146

Among the host names that share IP numbers with concretetests.com are enabledbank.com, 35h.net, windcountry.com and two others.

Name Servers

Two name servers handle the delegation for concretetests.com: ns3.afternic.com and ns4.afternic.com.

concretetests.com has the same name server delegation as a number of other domains, such as www.edgespin.com, randol.com, mail.doips.com and two more.

There is at least partial name server overlap between concretetests.com and other domains — asefo.com, wyoming-real-estate.com, txzy.com and two more among them.

The name servers verification-xca45ox5qyba6vycrpoay7.ns101.verify.hn, verification-2hupcltk6hmfcmoczls2f5.ns101.verify.hn and verification-m9ymw8jnwgbf6doc49gpbs.ns101.verify.hn are often found in combination with these name servers.

ns3.afternic.com → 97.74.98.65 and ns4.afternic.com → 173.201.66.65: one IP number per host name.

concretetests.com - robtex.com