`a-und-o.com`

DNSSEC	⚠️ Not signed
A	2a03:4000:30:9313::13:8141^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
A	91.204.46.85^{🇩🇪 netcup-AS91.204.46.0/24}
NS	`root-dns.netcup.net` ⭐
		A	2a03:4000:0:1::e1e1^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`root-dns.netcup.net`
		A	46.38.225.225^{🇩🇪 netcup-AS46.38.225.0/24}
			PTR	`root-dns.netcup.net`
NS	`second-dns.netcup.net`
		A	2a03:4000:2:24b::c7c7^{🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH}
			PTR	`second-dns.netcup.net`
		A	37.221.199.199^{🇩🇪 netcup-AS37.221.196.0/22}
			PTR	`second-dns.netcup.net`
NS	`third-dns.netcup.net`
		A	2a03:4001:0:106::3f44^{🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
		A	188.68.63.68^{🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH}
			PTR	`third-dns.netcup.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c0b::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f27.1e100.net`
		A	142.250.141.27^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`v=spf1 mx a include:_spf.webhosting.systems ~all`
SOA	`root-dns.netcup.net`dnsadmin@netcup.net 2021-02-01 #20

`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=1777079066

Subdomains

mail.a-und-o.com

Same first word

a-und-o.net

a-und-o.com

a-und-o.de

DNS History

20 records (10 active, 10 former)

○NSns01-auth.mediascape.net2007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 23:25:12
○ 2015-06-19 05:12:02
○ 2026-04-25 01:09:24

○NSns01.qsc.de2015-06-19 → 2020-01-10 · 5 obs

○ 2007-10-22 23:25:12
● 2015-06-19 05:12:02
● 2020-01-10 08:50:42
○ 2026-04-17 04:46:36
○ 2026-04-25 01:09:24

○NSns02-auth.mediascape.de2007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 23:25:12
○ 2015-06-19 05:12:02
○ 2026-04-25 01:09:24

○NSns02.qsc.de2015-06-19 → 2020-01-10 · 5 obs

○ 2007-10-22 23:25:12
● 2015-06-19 05:12:02
● 2020-01-10 08:50:42
○ 2026-04-17 04:46:36
○ 2026-04-25 01:09:24

●NSroot-dns.netcup.net2026-04-17 → 2026-04-25 · 3 obs

○ 2020-01-10 08:50:42
● 2026-04-17 04:46:36
● 2026-04-25 01:09:24

●NSsecond-dns.netcup.net2026-04-17 → 2026-04-25 · 3 obs

○ 2020-01-10 08:50:42
● 2026-04-17 04:46:36
● 2026-04-25 01:09:24

●NSthird-dns.netcup.net2026-04-17 → 2026-04-25 · 3 obs

○ 2020-01-10 08:50:42
● 2026-04-17 04:46:36
● 2026-04-25 01:09:24

●MXalt1.aspmx.l.google.com2015-06-19 → 2026-04-25 · 3 obs

○ 2007-10-22 23:25:12
● 2015-06-19 05:12:02
● 2026-04-25 01:09:24

●MXalt2.aspmx.l.google.com2015-06-19 → 2026-04-25 · 3 obs

○ 2007-10-22 23:25:12
● 2015-06-19 05:12:02
● 2026-04-25 01:09:24

●MXalt3.aspmx.l.google.com2026-04-17 → 2026-04-25 · 3 obs

○ 2020-01-10 08:50:42
● 2026-04-17 04:46:36
● 2026-04-25 01:09:24

●MXalt4.aspmx.l.google.com2026-04-17 → 2026-04-25 · 3 obs

○ 2020-01-10 08:50:42
● 2026-04-17 04:46:36
● 2026-04-25 01:09:24

●MXaspmx.l.google.com2015-06-19 → 2026-04-25 · 3 obs

○ 2007-10-22 23:25:12
● 2015-06-19 05:12:02
● 2026-04-25 01:09:24

○MXaspmx2.googlemail.com2015-06-19 → 2020-01-10 · 5 obs

○ 2007-10-22 23:25:12
● 2015-06-19 05:12:02
● 2020-01-10 08:50:42
○ 2026-04-17 04:46:36
○ 2026-04-25 01:09:24

○MXaspmx3.googlemail.com2015-06-19 → 2020-01-10 · 5 obs

○ 2007-10-22 23:25:12
● 2015-06-19 05:12:02
● 2020-01-10 08:50:42
○ 2026-04-17 04:46:36
○ 2026-04-25 01:09:24

○MXfallback.mediascape.net2007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 23:25:12
○ 2015-06-19 05:12:02
○ 2026-04-25 01:09:24

○MXorange.a-und-o.com2007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 23:25:12
○ 2015-06-19 05:12:02
○ 2026-04-25 01:09:24

○A195.90.7.752015-06-19 → 2020-01-10 · 5 obs

○ 2007-10-22 23:25:12
● 2015-06-19 05:12:02
● 2020-01-10 08:50:42
○ 2026-04-17 04:46:36
○ 2026-04-25 01:09:24

●A2a03:4000:30:9313::13:81412026-04-17 → 2026-04-25 · 3 obs

○ 2020-01-10 08:50:42
● 2026-04-17 04:46:36
● 2026-04-25 01:09:24

○A62.145.19.2102007-10-22 → 2007-10-22 · 3 obs

● 2007-10-22 23:25:12
○ 2015-06-19 05:12:02
○ 2026-04-25 01:09:24

●A91.204.46.852026-04-17 → 2026-04-25 · 3 obs

○ 2020-01-10 08:50:42
● 2026-04-17 04:46:36
● 2026-04-25 01:09:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...	-
a-und-o.com	root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net	-

✅ Authoritative Response

Server:188.68.63.68

NS records: root-dns.netcup.net, second-dns.netcup.net, third-dns.netcup.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a-und-o.com (unsigned zone)

⏱️ Timing

Total: 691ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.204.46.85`
AAAA	1	`2a03:4000:30:9313::13:8141`
NS	3	`third-dns.netcup.net, root-dns.netcup.net...`
MX	5	`ALT1.ASPMX.L.GOOGLE.COM (pri: 5), ALT2.ASPMX.L.GOOGLE.COM (pri: 5)...`
TXT	1	`v=spf1 mx a include:_spf.webhosting.syst`
SOA	1	`root-dns.netcup.net dnsadmin.netcup.net`

Analysis

Hierarchy

a-und-o.com is the parent of mail.a-und-o.com.

IP Addresses

a-und-o.com resolves to two IPs: 2a03:4000:30:9313::13:8141 and 91.204.46.85.

other host names for instance humanitas.or.at, kulturcrew.com, kommpass.de, felixreisch.de and solu.vision share IP numbers with a-und-o.com.

Name Servers

a-und-o.com is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.

a-und-o.com at least partially shares name servers with other domains, for instance mahnke.eu, aginmo.de, dogorama.app, schiller-consultant.de and b-ha.de.

Host names with two IP numbers:

Host root-dns.netcup.net points to 2a03:4000:0:1::e1e1 and 46.38.225.225.

Host second-dns.netcup.net points to 2a03:4000:2:24b::c7c7 and 37.221.199.199.

Host third-dns.netcup.net points to 2a03:4001:0:106::3f44 and 188.68.63.68.

Mail Servers

a-und-o.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

a-und-o.com shares mail servers with other domains at least partially, including cencuicui.com, bosteri.com, haru.ie, textforge.cz and hogfishventures.com.