giersings.dk

Records from scan: 2026-10-03 20:38:59 · 993ms total · last checked 2026-10-17 13:32 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

giersings.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 11 January 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.34 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by giersings-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.42.34	3600s	linux35.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	giersings-dk.mail.protection.outlook.com	2a01:111:f403:ca09::26 2a01:111:f403:ca09::a 2a01:111:f403:ca48::8 2a01:111:f403:ca48::e 52.101.103.143 52.101.209.28 52.101.91.153 52.101.91.159	mail-am8pr83cu00106.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-matpr04cu00101.inbound.protection.outlook.com mail-matpr04cu00207.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 → 52.98.149.152
🔶 Autoconfig	maildiscover.unoeuro.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 80ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.unoeuro.com

📝 TXT Records#

4 records 123ms

TXT Record
aosth5d2ffsmqcobh7n540beq
apple-domain-verification=CqQdhg02IZYVBHsj
giersings-realskole.azurewebsites.net
v=spf1 mx a include:spf.protection.outlook.com include:spfinclude.signflow.dk include:eu.mailgun.org ip4:80.210.94.205 include:dedicated.mysmtp.com ip4:89.221.167.1/24 -all

✉️ SPF#

Policy	Record (giersings.dk)
-all (hard fail)	v=spf1 mx a include:spf.protection.outlook.com include:spfinclude.signflow.dk include:eu.mailgun.org ip4:80.210.94.205 include:dedicated.mysmtp.com ip4:89.221.167.1/24 -all

📨 DMARC#

Policy	Record (_dmarc.giersings.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 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#

checked 2026-10-08 04:53:56

www	185.21.42.34 (AS48854) (address records, no CNAME)
www vs bare domain	Same network giersings.dk: 185.21.42.34 (AS48854) www.giersings.dk: 185.21.42.34 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 10/10 · policy: -all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

55ms

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

🏷️ SOA#

21ms

Field	Value
Serial	2026081001
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-17 10:54:09

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-01-11
Expires	2027-01-31 (105d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
giersings-realskole.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

25ms

31ms

26ms

AAAA

30ms

TXT

123ms

CAA

24ms

HTTPS

40ms

TLSA

631ms

SOA

21ms

MTA-STS

39ms

DNSSEC

55ms

SRV

80ms

Total

993ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 20:38:59 shown	993ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 18:04:31	741ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 18:08:00	4953ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-24 06:06:50	2961ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 19:10:37	980ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 03:33:38	820ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:34:35	1091ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:31:41	1571ms	2 NS 1 A 1 MX	🔒 Secure