`instantbooking.de`

DNSSEC	⚠️ Not signed
A	2a01:4f8:c0c:9e3::2^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`mice.aloom.de`
A	88.99.174.189^{🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC}
NS	`ns.udag.de` ⭐
		A	2001:8d8:fe:53:217:160:80:253^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns.udag.de`
		A	217.160.80.253^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns.udag.de`
NS	`ns.udag.net`
		A	2607:f1c0:fe:53:185:132:33:253^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns.udag.net`
		A	185.132.33.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.net`
NS	`ns.udag.org`
		A	2607:f1c0:fe:53:185:132:34:253^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns.udag.org`
		A	185.132.34.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.org`
MX	`mx00.udag.de` ⭐
		A	62.146.106.39^{🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH}
			PTR	`mx00.udag.de`
MX	`mx01.udag.de`⁽²⁰⁾
		A	62.146.106.40^{🇩🇪 IPX-AS1559862.146.104.0/22 NorthC Deutschland GmbH}
			PTR	`mx01.udag.de`
TXT	`v=spf1 include:_smtp.udag.de ~all`
SOA	`ns.udag.de`hostmaster@united-domains.de 2025-08-16 #57

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1778677359

Same first word

instantbooking.de

instantbooking.total

DNS History

7 records (7 active, 0 former)

●NSns.udag.de2026-03-19 → 2026-05-13 · 2 obs

● 2026-03-19 08:00:16
● 2026-05-13 13:33:00

●NSns.udag.net2026-03-19 → 2026-05-13 · 2 obs

● 2026-03-19 08:00:16
● 2026-05-13 13:33:00

●NSns.udag.org2026-03-19 → 2026-05-13 · 2 obs

● 2026-03-19 08:00:16
● 2026-05-13 13:33:00

●MXmx00.udag.de2026-03-19 → 2026-05-13 · 2 obs

● 2026-03-19 08:00:16
● 2026-05-13 13:33:00

●MXmx01.udag.de2026-03-19 → 2026-05-13 · 2 obs

● 2026-03-19 08:00:16
● 2026-05-13 13:33:00

●A2a01:4f8:c0c:9e3::22026-03-19 → 2026-05-13 · 2 obs

● 2026-03-19 08:00:16
● 2026-05-13 13:33:00

●A88.99.174.1892026-03-19 → 2026-05-13 · 2 obs

● 2026-03-19 08:00:16
● 2026-05-13 13:33:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
instantbooking.de	ns.udag.de, ns.udag.net, ns.udag.org	2 records

✅ Authoritative Response

Server:185.132.33.253

NS records: ns.udag.de, ns.udag.net, ns.udag.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for instantbooking.de (unsigned zone)

⏱️ Timing

Total: 641ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.99.174.189`
AAAA	1	`2a01:4f8:c0c:9e3::2`
NS	3	`ns.udag.de, ns.udag.net...`
MX	2	`mx01.udag.de (pri: 20), mx00.udag.de (pri: 10)`
TXT	1	`v=spf1 include:_smtp.udag.de ~all`
SOA	1	`ns.udag.de hostmaster.united-domains.de`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.udag.de, ns.udag.de)

Analysis

IP Addresses

instantbooking.de points to two IP numbers: 2a01:4f8:c0c:9e3::2 and 88.99.174.189.

Other host names, for instance mice.aloom.de, ehotel-meetings.de, www.tagungshotels24.de, tagungshotels24.de and hostmaster.aloom.de share IP numbers with instantbooking.de.

Name Servers

The domain instantbooking.de is delegated to three name servers: ns.udag.de, ns.udag.net and ns.udag.org.

instantbooking.de shares name servers with other domains at least partially, for instance dorner-kumlehn.de, astyx.cn, reussissonsensemble.fr, regentino.de and cepton-strategy.fr.

Host names with two IP numbers:

ns.udag.de points to 2001:8d8:fe:53:217:160:80:253 and 217.160.80.253

ns.udag.net points to 2607:f1c0:fe:53:185:132:33:253 and 185.132.33.253

ns.udag.org points to 2607:f1c0:fe:53:185:132:34:253 and 185.132.34.253

Mail Servers

instantbooking.de is handled by two mail servers: mx00.udag.de and mx01.udag.de.

instantbooking.de shares the same mail server setup as other domains, including finanzelite.de, zientek.de, sicherheitambau.info, congrex.dk and km-technik.de.

Host names with one IP number:

mx00.udag.de points to: 62.146.106.39.

mx01.udag.de points to: 62.146.106.40.

instantbooking.de - robtex.com