`robertholmberg.com`

DNSSEC	⚠️ Not signed
A	37.9.175.25^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
		PTR	`25.175.9.37.in-addr.arpa.websupport.sk`
NS	`ns1.loopiagroup.com` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.loopiagroup.com`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
MX	`mail2.robertholmberg.com` ⭐
		A	109.235.175.21^{🇸🇪 LOOPIA3109.235.175.0/24}
			PTR	`mx.m101.websupport.se`
MX	`mail.robertholmberg.com`⁽²⁰⁾
		A	109.235.175.22^{🇸🇪 LOOPIA3109.235.175.0/24}
			PTR	`mx.m101.websupport.se`
SOA	`ns1.loopiagroup.com`dnsadmin@loopiagroup.com serial=1770938154

`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=1771291435

Subdomains

mail2.robertholmberg.com

mail.robertholmberg.com

Same first word

robertholmberg.com

DNS History

9 records (5 active, 4 former)

○NSns1.loopia.se2015-05-16 → 2017-03-30 · 4 obs

● 2015-05-16 06:16:12
● 2017-03-30 00:29:30
○ 2026-02-27 20:31:50
○ 2026-03-22 18:42:20

●NSns1.loopiagroup.com2026-02-27 → 2026-03-22 · 3 obs

○ 2017-03-30 00:29:30
● 2026-02-27 20:31:50
● 2026-03-22 18:42:20

○NSns2.loopia.se2015-05-16 → 2017-03-30 · 4 obs

● 2015-05-16 06:16:12
● 2017-03-30 00:29:30
○ 2026-02-27 20:31:50
○ 2026-03-22 18:42:20

●NSns2.loopiagroup.com2026-02-27 → 2026-03-22 · 3 obs

○ 2017-03-30 00:29:30
● 2026-02-27 20:31:50
● 2026-03-22 18:42:20

●MXmail.robertholmberg.com2026-02-27 → 2026-03-22 · 2 obs

● 2026-02-27 20:31:50
● 2026-03-22 18:42:20

●MXmail2.robertholmberg.com2026-02-27 → 2026-03-22 · 2 obs

● 2026-02-27 20:31:50
● 2026-03-22 18:42:20

○A194.9.94.852015-05-16 → 2017-03-30 · 4 obs

● 2015-05-16 06:16:12
● 2017-03-30 00:29:30
○ 2026-02-27 20:31:50
○ 2026-03-22 18:42:20

○A194.9.94.862015-05-16 → 2017-03-30 · 4 obs

● 2015-05-16 06:16:12
● 2017-03-30 00:29:30
○ 2026-02-27 20:31:50
○ 2026-03-22 18:42:20

●A37.9.175.252026-02-27 → 2026-03-22 · 3 obs

○ 2017-03-30 00:29:30
● 2026-02-27 20:31:50
● 2026-03-22 18:42:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net...	-
robertholmberg.com	ns1.loopiagroup.com, ns2.loopiagroup.com	4 records

✅ Authoritative Response

Server: 45.10.97.11

NS records: ns1.loopiagroup.com, ns2.loopiagroup.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 263ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.25`
NS	2	`ns1.loopiagroup.com, ns2.loopiagroup.com`
MX	2	`mail.robertholmberg.com (pri: 10), mail2.robertholmberg.com (pri: 20)`
SOA	1	`ns1.loopiagroup.com dnsadmin.loopiagroup`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.loopiagroup.com, ns1.loopiagroup.com, ns2.loopiagroup.com...)

Analysis

Hierarchy

robertholmberg.com is a parent of mail2.robertholmberg.com and mail.robertholmberg.com.

IP Addresses

robertholmberg.com points to a single IP address: 37.9.175.25.

Other host names such as 100gf.bio-fair-trade.cz, mailinbackup1.bitfiction.sk, flowersbysenorita.com, mail.kaspergroup.eu and colafit.cz share IP numbers with robertholmberg.com.

Name Servers

robertholmberg.com is delegated to two name servers: ns1.loopiagroup.com and ns2.loopiagroup.com.

robertholmberg.com uses the same name server setup as other domains, including avancit.se, vksk.se, nr8.se, lifewear.se and panetoz.se.

Host names with two IP numbers:

ns1.loopiagroup.com points to 2a10:bbc0::11 and 45.10.97.11.

ns2.loopiagroup.com points to 2a02:250:3::12 and 185.71.159.12.

Mail Servers

robertholmberg.com is handled by two mail servers: mail2.robertholmberg.com and mail.robertholmberg.com.

Hostnames with a single IP

mail2.robertholmberg.com resolves to: 109.235.175.21.

mail.robertholmberg.com resolves to: 109.235.175.22.

robertholmberg.com - robtex.com