gertruds.dk

📜 Historical scan 2026-06-27 11:37:31 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gertruds.dk is a .dk domain served by 2 nameservers (shaz.ns.cloudflare.com, zeus.ns.cloudflare.com). It was registered on 2 January 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.90.53 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by gertruds-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 31ms

Nameserver	IP addresses	PTR	ASN / ISP
shaz.ns.cloudflare.com	108.162.194.249 162.159.38.249 172.64.34.249 2606:4700:50::a29f:26f9 2803:f800:50::6ca2:c2f9 2a06:98c1:50::ac40:22f9	shaz.ns.cloudflare.com shaz.ns.cloudflare.com shaz.ns.cloudflare.com shaz.ns.cloudflare.com shaz.ns.cloudflare.com shaz.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zeus.ns.cloudflare.com	108.162.193.249 172.64.33.249 173.245.59.249 2606:4700:58::adf5:3bf9 2803:f800:50::6ca2:c1f9 2a06:98c1:50::ac40:21f9	zeus.ns.cloudflare.com zeus.ns.cloudflare.com zeus.ns.cloudflare.com zeus.ns.cloudflare.com zeus.ns.cloudflare.com zeus.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.90.53	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.133	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	gertruds-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::c 2a01:111:f403:ca09::5 2a01:111:f403:ca09::9 52.101.68.16 52.101.73.16 52.101.73.26 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)#

2 records 40ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:9985	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:5a35	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.90.53,172.67.153.133 ech=AEX+DQBB/AAgACDkQn75u68jf13fHuc0EGMzIMLP7MDmbrjVtybKzH9vcAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:9985,2606:4700:3037::6815:5a35

🔌 SRV Records#

1 records 54ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

3 records 200ms

TXT Record
google-site-verification=OrcoB4a4ijlT2IYgHAV3BPtExOcMauUtXJEbXl8fwOY
MS=ms48470531
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (gertruds.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-10 04:40:45

www	104.21.90.53 172.67.153.133 2606:4700:3034::ac43:9985 2606:4700:3036::6815:5a35 (AS13335) (address records, no CNAME)
www vs bare domain	Same network gertruds.dk: 104.21.90.53 172.67.153.133 2606:4700:3034::ac43:9985 2606:4700:3036::6815:5a35 (AS13335) www.gertruds.dk: 104.21.90.53 172.67.153.133 2606:4700:3034::ac43:9985 2606:4700:3036::6815:5a35 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-gertruds-dk._domainkey.bargroupdk.onmicrosoft.com	RSA · ~2048 bit
selector2	selector2-gertruds-dk._domainkey.bargroupdk.onmicrosoft.com	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

52ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

37ms

Field	Value
Serial	2406665414
Primary NS (MNAME)	shaz.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 07:39:57

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2006-01-02
Expires	2027-01-31 (104d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

38ms

30ms

AAAA

40ms

TXT

200ms

CAA

30ms

HTTPS

31ms

TLSA

479ms

SOA

37ms

MTA-STS

44ms

DNSSEC

52ms

SRV

54ms

Total

1335ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 04:40:45	2809ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-29 15:50:43	938ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-27 20:29:51	2114ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-20 06:10:15	2003ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-13 05:13:23	2307ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-06 09:53:35	1464ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 22:19:22	1361ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-27 01:13:31	800ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-23 12:21:20	5876ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-02 17:21:38	1617ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-05 22:33:33	2360ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-03 14:21:26	9660ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-27 11:37:31 shown	1335ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-17 09:18:07	1621ms	2 NS 2 A 1 MX	🔒 Secure